if the atmosphere is 21% oxygen and the cornea contains 15% oxygen, which direction will more of the oxygen molecules travel: into the cornea or out of the cornea

Answers

Answer 1
According to simple diffusion. Molecules travel from high concentration to low. So it would be traveling into the cornea

Related Questions

Based on Figure 2 above, which step makes proteins by binding together amino acids?

Based on Figure 2 above, which step makes proteins by binding together amino acids?

Answers

Translation, in ribosomes, binds amino acids together to form a polypeptide chain, creating proteins, option B is correct.

During the process of translation, the genetic information in mRNA is used to specify the sequence of amino acids in a polypeptide chain. The ribosome facilitates the binding of amino acids together through peptide bonds to create a polypeptide chain.

This process involves the interaction of tRNA molecules with the mRNA and the ribosome, bringing in the appropriate amino acid to the growing chain. Once the chain is complete, it may undergo further modifications, including folding and post-translational modifications, to form a functional protein. Therefore, the step that makes proteins by binding amino acids together is translation in the ribosome, option B is correct.

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I will give brainliest!!!!!!!!!!!!!!!

When a plant starts to wilt, it's often due to a lack of water, which makes its cells flaccid, or limp. When a plant looks healthy, it's often due to proper watering, making its cells turgid, or upright.

What cell structure is most likely responsible for whether or not a plant cell is flaccid or turgid?

Choose 1 answer:

(Choice A)
A
Vacuole

(Choice B)
B
Lysosome

(Choice C)
C
Mitochondria

(Choice D)
D
Chloroplast

I will give brainliest!!!!!!!!!!!!!!! When a plant starts to wilt, it's often due to a lack of water,

Answers

Answer:

The answer is a

Vacuole is most likely responsible for whether or not a plant cell is flaccid or turgid. So, the correct option is (A).

What is Plant cell?

Plant cell is the basic unit of all plants. Plant cells are eukaryotic in nature. They have a membrane-bound nucleus and organelles. Plant cells have a cell wall surrounding the cell membrane.

The cell wall has many functions on which the life of the plant depends. Plant cell walls are composed of cellulose, which distinguishes them from other organisms with cell walls, such as bacteria (peptidoglycan) and fungi (chitin). Algal cell walls are similar to those of plants, and many contain specific polysaccharides that are useful for classification.

Examples of plant cells include different specialized cells like parenchyma, sclerenchyma and collenchyma cells.

Thus, Vacuole is most likely responsible for whether or not a plant cell is flaccid or turgid. So, the correct option is (A).

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A scientist notices that a cancer cell line fails to die when he adds an inducer of apoptosis to his culture of cells. Which hypothesis could explain why the cells fail to die?.

Answers

Either the cells have a mutation that prevents the initiation of apoptosis signaling, the cells have lost expression of the receptor for the apoptosis-inducing ligand, or the cells overexpress a boom aspect pathway that inhibits apoptosis.

Most cancers cell is a peer-reviewed scientific journal and scientific magazine that publishes articles that provide the main advances in most cancers research and oncology. The magazine considers manuscripts that solve vital questions applicable to naturally occurring cancers.

Cancer is a sickness caused when cells divide uncontrollably and unfold into surrounding tissues. most cancers is resulting from modifications to DNA. The maximum most cancers-inflicting DNA changes occur in sections of DNA known as genes. those modifications also are known as genetic modifications

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Why do secondary sexual characters(jikffbihpz) grow during adolesecnece?

Answers

Answer:

typically develop during adolescence as a result of hormonal changes in the body.

Explanation:

I am not sure what you mean by "jikffbihpz." Could you please provide more context or clarify your question?

Also the term "secondary sexual characters" typically refers to physical characteristics that distinguish males from females in sexually reproducing species, such as antlers on male deer or breasts on human females. These characteristics are not related to the reproductive organs themselves (the primary sexual characteristics) and typically develop during adolescence as a result of hormonal changes in the body.

how does cancer effect the skin?

Answers

cancer can cause skin problems to the skin as it can cause a malignant wound when the cancer breaks the skin. this can lead to itchiness, dryness, and rashes to you skin as a malignant wound can easily be infected, which can leak large amounts of blood and have a strong odor

In discussions of untapped human potential, it is commonly said that the average person uses only 10% of his or her brain. Is this conclusion likely correct? Explain your answer in terms of natural selection. 200 + words

Answers

Answer:

Natural selection is a mechanism by which populations adapt and evolve.

In its essence, it is a simple statement about rates of reproduction and mortality: Those individual organisms who happen to be best suited to an environment survive and reproduce most successfully, producing many similarly well-adapted descendants. After numerous such breeding cycles, the better-adapted dominate. Nature has filtered out poorly suited individuals and the population has evolved.

VISTA

Natural selection is a simple mechanism that causes populations of living things to change over time. In fact, it is so simple that it can be broken down into five basic steps, abbreviated here as VISTA: Variation, Inheritance, Selection, Time and Adaptation.

Explanation:

Each nucleotide is composed of three parts. The picture to the right shows a strand of DNA nucleotides linked together. What is the correct name of the molecule indicated?


Answer
F
Deoxyribose sugar

G
Nitrogenous base

H
Phosphate group

J
Hydrogen bond

Each nucleotide is composed of three parts. The picture to the right shows a strand of DNA nucleotides

Answers

Answer:

G. Nitrogenous base

Explanation:

Double-stranded DNA (Deoxyribonuclease) molecules store genetic information. Their 5-carbon deoxyribose sugar, phosphate and one of four nitrogenous bases from which nucleotides derive their name:

Adenine (A)Guanine (G)Cytosine (C)Thymine (T).

The nucleotides on a single strand are bonded together via covalent bonding. Base pairs are formed between nucleotides on opposite strands, due to hydrogen bonding between bases. For instance, Adenine forms double bonds with thymine, while cytosine forms triple bonds with guanine.

Each nucleotide is composed of three parts. The picture to the right shows a strand of DNA nucleotides

HELP PLEASE this is "Person Biology Chapter 2 lesson 2"
tyytytytyty <3

HELP PLEASE this is "Person Biology Chapter 2 lesson 2" tyytytytyty &lt;3

Answers

Answer:

1) The water cycle.

2) Condensation.

3) Oxygen.

4) Carbon.

5) Fixation.

6) True!

7) True!

8) True!

9) True!

10) True!

The number of trout in a lake drops when the lake is polluted. The trout
population later increases, but the allele frequencies are different. What does
this situation represent?

A. Speciation
B. Artificial selection
C. Biodiversity
D. Genetic drift

Answers

it represents genetic drift so D! please give me brainly!

This situation represents speciation because new type of species is formed due to polluted environment.

What is speciation?

Speciation is a process in which a new kind of species is formed. Speciation occurs when a group within a species separates from other members of its species and experience to new environmental conditions.

So we can conclude that this situation represents speciation because new type of species is formed due to polluted environment.

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bonjour pouvez-vous m'aider s'il vous plaît ça me ferait très plaisir la question est" à l'aide des documents montrer que le microbiote influence l'eczéma"​

bonjour pouvez-vous m'aider s'il vous plat a me ferait trs plaisir la question est" l'aide des documents

Answers

I know that it odd. Cuz.

the microscopic study of tissue appearance organization and function is called

Answers

Answer: histology

Explanation:

No explanation needed

The microscopic study of tissue appearance, organization, and function is called histology.

Histology is an important tool for understanding the structure and function of organs and tissues in the human body. It can be used to diagnose diseases, monitor the progression of a disease, and assess the effectiveness of treatments.

The histological examination involves the preparation of tissue samples, usually by fixing the tissue in a chemical solution, embedding it in a solid block of paraffin wax or resin, and then slicing the tissue into thin sections using a microtome. The sections are then stained with various dyes or antibodies to highlight specific cellular structures or molecules.

The study of histology is often integrated with other fields, such as physiology, pathology, and anatomy, to gain a more complete understanding of how different tissues and organs work together in the human body. By examining the structure and function of tissues at the microscopic level, researchers and clinicians can gain insights into the underlying causes of diseases and develop more effective treatments.

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6. What is cell transport?

Answers

Cell transport is movement of materials across cell membranes. Cell transport includes passive and active transport. Passive transport does not require energy whereas active transport requires energy to proceed. Passive transport proceeds through diffusion, facilitated diffusion and osmosis.

You are a scientist observing rodents on the Galapagos Islands. You notice that the introduction of new bird of prey has limited the number of rodents. What term best describes the factor that is limiting the number of rodents the environment can support

Answers

The term that best describes the factor that is limiting the number of rodents the environment can support in this scenario is "predation pressure."

The new bird of prey is a predator that is preying on the rodents, which is reducing their population size and limiting the number of rodents the environment can support.

Any element that affects an organism's ability to reproduce or to survive is referred to as selective pressure. In evolutionary biology, the word "selective pressure" is used to refer to the different elements that influence the survival and procreation of individuals within a population. The only primates native to Madagascar are lemurs, which are threatened by a number of factors such as habitat loss, poaching, and climate change. The two main selective factors impacting the lemur population are climatic change and natural predator predation.

Lemur populations are being pushed to adapt to new climatic conditions as a result of climate change, which could be harmful to their existence. Lemur numbers are declining as a result of natural predators including snakes, birds, and other carnivorous creatures.

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what happnend to addie in 2012 the sick girl

Answers

Answer:

Rerecich continued to engage in physical therapy and takes dozens of medications daily to limit the chance of infection. Rerechich's body began to reject her lungs and she refused to have another transplant. Rerechich died in her home on December 30, 2019 surrounded by friends and family at the age of 20.

Explanation:

googled it

Bud Stage:
All primary teeth and perm molars rise from what layer?

Answers

The bud stage is the initial stage of tooth development, where the tooth bud forms from the ectoderm layer of the developing embryo. This tooth bud will then differentiate into the various structures of the tooth, such as the enamel, dentin, and pulp.

Primary teeth and permanent molars, also arise from the bud stage. Primary teeth, also known as baby teeth or deciduous teeth, begin to develop during the prenatal period and continue to form until around two years of age. The primary teeth will eventually be replaced by permanent teeth, which begin to form in the bud stage and continue to develop throughout childhood and adolescence. The permanent molars are the largest teeth in the mouth and are located at the back of the mouth. They are the last teeth to erupt, with the third molars, also known as wisdom teeth, typically erupting between the ages of 17 and 25. The molars, both primary and permanent, arise from the dental lamina.

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viruses are not made up of cells. according to cell theory, this means what? multiple choice viruses can cause disease. cells come only from pre-existing cells. cells can be infected by viruses. viruses are not living. cells and viruses are the same thing.

Answers

D. viruses are not living things

according to the fluid mosaic model,plasma membrane are mainly composed of phospholipids and proteins.Explain how structures S and T play the roles in the plasma membrane,which function as a selective barrier. please help me with this question ​

according to the fluid mosaic model,plasma membrane are mainly composed of phospholipids and proteins.Explain

Answers

Answer:

The plasma membrane is a thin layer of lipid molecules that surrounds the cell and separates the inside from the outside. The fluid mosaic model describes the structure of the plasma membrane as a two-layered structure of phospholipids with embedded proteins. This model explains how the structure of the plasma membrane allows it to act as a selective barrier, regulating the movement of substances in and out of the cell.

Structure S in the plasma membrane is represented by the phospholipids, which form a lipid bilayer with hydrophilic heads facing outwards and hydrophobic tails facing inwards. The hydrophilic heads are in contact with the extracellular fluid and intracellular fluid while the hydrophobic tails are in the middle of the membrane. The phospholipid bilayer provides a barrier that separates the inside and outside of the cell, restricting the movement of hydrophilic and large molecules through the membrane while allowing the passage of small and hydrophobic molecules.

Structure T represents the integral membrane proteins that are embedded in the lipid bilayer. These proteins have different functions, such as transport of molecules, cell signaling, and catalyzing chemical reactions. The proteins also contribute to the selective permeability of the membrane by regulating the movement of specific molecules in and out of the cell. For example, channels and carrier proteins regulate the movement of ions and larger molecules through the membrane while receptor proteins receive signals from the outside of the cell and relay them to the inside of the cell.

In summary, the plasma membrane is mainly composed of phospholipids and proteins according to the fluid mosaic model. The phospholipids form a lipid bilayer that acts as a barrier, while the proteins embedded in the bilayer regulate the selective permeability of the membrane by facilitating the movement of specific molecules in and out of the cell.

Explanation:

xplain what distinguishes primary and secondary consumers.

Answers

Answer:

The primary consumers a mostly herbivores and the secondary consumers are mostly carnivores

Answer:

Primary consumers, also known as herbivores, are organisms that primarily consume plants as their main source of energy and nutrients. These consumers are at the base of the food chain and play a vital role in maintaining the balance of the ecosystem. On the other hand, secondary consumers, also known as carnivores, are organisms that primarily consume primary consumers as their main source of energy and nutrients. These consumers are one level higher in the food chain and play a crucial role in controlling the population of primary consumers.

One key difference between primary and secondary consumers is the type of food they consume. Primary consumers only consume plants, while secondary consumers consume both plants and primary consumers. Another difference is their position in the food chain. Primary consumers are at the bottom of the food chain, while secondary consumers are one level higher.

In summary, primary consumers are herbivores that consume plants, while secondary consumers are carnivores that consume both plants and primary consumers. These two types of consumers play vital roles in maintaining the balance of the ecosystem and are essential for the survival of all organisms in the food chain.

Thee are animal who depend on producer or other conumer for nutrition and energy

Answers

There are many animals that depend on producers or other consumers for nutrition and energy. These animals are classified as heterotrophic.

It means that they cannot produce their own food and must obtain energy and nutrients from other sources. Examples of animals that depend on producers include herbivores such as cows and rabbits, which feed on plants. Some animals, such as carnivores and omnivores, feed on other consumers. For example, lions and wolves are carnivores that feed on other animals, while bears and humans are omnivores that feed on both plants and animals. The energy and nutrients obtained from producers and other consumers support the growth, reproduction, and survival of these heterotrophic animals. The relationships between these animals and their food sources form complex food webs and are a critical component of ecosystems and the cycling of energy and nutrients through the biosphere.

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1. In what types of foods is the protein content the highest?​

Answers

Answer:

Meat, fish, poultry, eggs, legumes, and soy products like tofu or tempeh.

Explanation:

They all have a lot of protein.

Have a great day ^^

Explanation:

- Legumes

- Dairy

- Meat

- Seafood

Identify the process in Model 2 that describes an artificial (purely human-caused) process that moves carbon.

Answers

I’m doing this to get points

I NEED HELP!!!!
PLEASE READ THE QUEUSTION AND AWNSER IT'S A MULTI ANSWER.

I NEED HELP!!!!PLEASE READ THE QUEUSTION AND AWNSER IT'S A MULTI ANSWER.

Answers

Answer:

The direction of sunlight

The amount of resources they had access to

Explanation:

the answer is 3

Explanation:

sunflower go the direction the sun is

this is the third complement to combine with c5b in the formation of the membrane attack complex.

Answers

The third complement to combine with C5b in the formation of the membrane attack complex (MAC) is C6.

The complement system is a group of proteins that play a vital role in the immune system by assisting antibodies and phagocytic cells in the clearance of pathogens.

The complement cascade is activated by various stimuli, leading to a series of proteolytic cleavages and the formation of several complement components, including C5. When C5 is cleaved, it forms C5a and C5b. C5b then binds to C6, and the C5b-C6 complex subsequently recruits C7, C8, and multiple copies of C9 to form the MAC, which can lyse target cells.

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As in mitosis, in meiosis the chromosomes move toward opposite poles of a
cell in

A. telophase
B. metaphase
C. prophase
D. anaphase


Think is A but not sure

As in mitosis, in meiosis the chromosomes move toward opposite poles of acell inA. telophaseB. metaphaseC.

Answers

Answer:

telophase

Explanation:

I think its A because thast when it goes to the oppsite end ....I think

telophase i think so

GIVING BRAINLEIST
Imagine you are in charge of helping a town named
Greenville choose the form of energy best suited to the
needs and preferences of its citizens. Use this information
to help you make a decision:
• The people of Greenville want to reduce their
production of greenhouse gases.
• The people of Greenville do not want to risk harming
any fish or wildlife.
• Greenville has a large amount of land available, but no
large rivers.
• Greenville is sunny for much of the year.
Which form of energy would best suit Greenville's needs and preferences?
A. Natural gas
B. Solar power
O C. Coal
O D. Hydropower

Answers

Answer:

D or B?

Explanation:

Which two of Earth's spheres interact when acid rain damages plant cells?

Answers

Answer:

Atmosphere and biosphere Biosphere and geosphere Hydrosphere

Explanation:

atmosphere biosphere geosphere hydrosphere

In the dna isolation process, ________ is used to break down the protein complexes and allow the dna molecules to easily precipitate.

Answers

In the DNA isolation process, ice cold 95% ethanol is used to break down the protein complexes and allow the DNA molecules to easily precipitate.

What is separation and isolation of DNA fragments?

The cutting of DNA by restriction endonucleases results in the fragments of DNA. These fragments can be separated by a technique known as gel electrophoresis.Since, DNA fragments are negatively charged molecules they can be separated by forcing them to move towards the anode under an electric field through a medium/matrix.The most commonly used matrix is agarose which is a natural polymer extracted from sea weeds.The DNA fragments separate (resolve) according to their size through sieving effect provided by the agarose gel. Hence, the smaller the fragment size, the farther it moves.The separated DNA fragments can be visualised only after staining the DNA with a compound known as ethidium bromide followed by exposure to UV radiation (you cannot see pure DNA fragments in the visible light and without staining). We can see bright orange coloured bands of DNA in a ethidium bromide stained gel exposed to UV light.The separated bands of DNA are cut out from the agarose gel and extracted from the gel piece. This step is known as elution.The DNA fragments purified in this way are used in constructing recombinant DNA by joining them with cloning vectors.

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dna sequence contains only the letters a, c, g, and t. how many 5-element dna sequences (a) end with a?

Answers

6-1-18 Remember that a DNA sequence is a series of letters, each of which is one of the letters A, C, G, or T. If no constraints are imposed, the product rule yields 45 = 1024 DNA sequences of length five.

There are 44 four-element RNA sequences in all (four potential nucleotides for each slot), with 33 of these lacking a U. As a result, 256 6-element RNA sequences finish with GU.

As a result, 1024 6-element RNA sequences begin with C 256. Yes, it is right. There are 256 potential possibilities in a tetranucleotide block where the nucleotides might occur more than once and the order is random.

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Tendon sheaths ________. Tendon sheaths ________. are lined with dense irregular connective tissue help anchor the tendon to the muscle are extensions of periosteum act as friction-reducing structures

Answers

Answer:

Tendon sheaths act as friction-reducing structures.

Explanation:

Tendon sheaths are fibrous tissue that is around tendons to protect and make the movements of these smoother. For example, they reduce the friction of the flexors and extensors tendons of the hand. These are tendons that we constantly use to open and close our hands when we want to grab objects. Without the sheath, the tendons will not move easily, and due to the excessive use, there can be inflammation.

The sheats have two layers, one internal, which is a synovial one that produces synovial fluid to lubricate the tendon, and the external, which is a fibrous layer.

which of the following is an example of reduction? the use of a new anesthetic agent that provides better induction and a shorter recovery period. the use of a kit to assay hormone levels instead of a bioassay involving animals. the use of computer modeling software to replace the use of animals in pharmacologic studies. the use of common control groups during simultaneous experiments to limit the number of control animals needed

Answers

An example of reduction from the following is the utilization of another pain relieving that gives better postoperative relief from discomfort.

The decrease is a logical term used to portray the most common way of diminishing the number of creatures utilized in research facility studies. This is in many cases done by expanding the effectiveness of the exploratory cycle and limiting how much time and assets are utilized in each examination.

In this model, the utilization of creatures in pharmacologic examinations is being diminished by utilizing another sedative specialist that gives better enlistment and a more limited recuperation period, PC demonstrating programming to supplant the creatures, and a pack to measure chemical levels rather than a bioassay including creatures.

The utilization of normal benchmark groups during synchronous investigations additionally diminishes the number of creatures utilized. Decrease diminishes the number of creatures utilized as well as diminishes how much cash and assets are required for research.

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What does this excerpt from Jane Austen's Northanger Abbey best convey about Catherine's character?Northanger Abbeyby Jane Austen (excerpt)An abbey! Yes, it was delightful to be really in an abbey! But she doubted, as she looked round the room, whether anything within her observation would have given her the consciousness. The furniture was in all the profusion and elegance of modern taste. The fireplace, where she hadexpected the ample width and ponderous carving of former times, was contracted to a Rumford, with slabs of plain though handsome marble, and ornaments over it of the prettiest English china. The windows, to which she looked with peculiar dependence, from having heard the general talk of his preserving them in their Gothic form with reverential care, were yet less what her fancy had portrayed. To be sure, the pointed arch was preserved the form of them was Gothic-they might be even casements-but every pane was so large, so clear, so light! To an imagination which had hoped for the smallest divisions, and the heaviest stone-work, for painted glass, dirt, and cobwebs, the difference was very distressing.OA. She is delighted that Henry's family home is so grand.O B. She is extremely interested in O modern architecture and furnishings.O C. She is very detail oriented and notices everything in her surroundings.O D.She is disappointed that Henry's family home is unlike the abbeys she reads about in Gothic novels. Define phototaxis!!! How many moles of carbon monoxide are produced when 0.65mol of oxygen reacts with excess carbon? Round to nearest tenth) C + O2 CO Hammurabi code: How does a person's social status influence the code and its punishments? The Martin-Beck Company operates a plant in St. Louis with an annual capacity of 30,000 units. Product is shipped to regional distribution centers located in Boston, Atlanta, and Houston. Because of an anticipated increase in demand, Martin-Beck plans to increase capacity by constructing a new plant in one or more of the following cities: Detroit, Toledo, Denver, or Kansas City. The estimated annual fixed cost and the annual capacity for the four proposed plants are as follows: Can someone explain how you do fractions like adding them? And what rules they have to find the answer? If you wanted to find the date of the first documented case of the bird flu, which page would you turn to? ing events in order (1-5) from earliest to latest: Alexander the Great conquers the Persian empire Greeks colonize parts of the Mediterranean Greeks revolt against Persian rulers Mycenaeans conquer Minoans and control the Aegean The Peloponnesian War begins PLEASE help me. I am stuck on this question for a long time. Studies reveal that over one-half to two-thirds of acquisitions are failures primarily because? summarize the steps involved in charging trnas with their appropriate amino acids. Use your journal to sketch out a story that you could set in the Klondike Gold Rush. Describe a possible main character, a theme that you want to explore, and three events that you could include to show that theme. Spend about five to ten minutes writing up your plan. You may choose to write your plan in paragraph form, or use a graphic organizer. 50 Points PLZ HELP The one-time fling! Have you ever purchased an article of clothing (dress, sports jacket, etc.), worn the item once to a party, and then returned the purchase? This is called a one-time fling. About 10% of all adults deliberately do a one-time fling and feel no guilt about it! In a group of eight adult friends, what is the probability of the following? (Round your answers to three decimal places.)A button hyperlink to the SALT program that reads: Use SALT.(a) no one has done a one-time fling (b) at least one person has done an one time fling(c) no more than two people have done a one time fling a diver jump off a pier at angle of 25 with an initial velocity of 3.2m/s. haw far from the pier will the diver hit the water? 2. Short answer questions 1) Give the reasons why companies go global. 2) Give the factors that influence the mode of entry decision process and explain. 3) What are the modes of market entry? Analyze the advantages and disadvantages of each. How did he get from 3^-16/3/3^-8/3 to 0.00285333857/0.00285333857??? (The circled part) Because when I put it in the calculator I dont get the decimal I was suppose to get. Explain why McWhorters believes it is important to learn more than one language. Which of the following individuals was responsible for bringing the industrial revolution from England into the United States by building an Engish textile machine from memory in the United States? A: Andrew CarnegieB: Samuel SlaterC: William McKinley Please quickly answer will mark brainliest (100 points) also say answer in text How do the underlined details create tension in the story