Which atmospheric layer prevents meteroids from reaching earths surface

Answer:

The Correct Answer Is C

Explanation:

All Three Aspects are related to Air.

Air has mass, applies pressure, and takes up space. Therefore, option (C) describes the characteristics of air.

Air has particular qualities or features and is a mixture of gases, water vapor, and other elements. Gases make up air, which has mass, pressure, and weight as well as the ability to be compressed and be affected by temperature.

Nearly all of the air is made up of the molecules of two separate elements, nitrogen and oxygen. Carbon dioxide and argon, in trace levels, make up the remainder. (Trace amounts of other gases, including neon, helium, and methane, are also present.)

Learn more about air, here:

https://brainly.com/question/1698086

#SPJ6

For an organism that has 18 chromosomes in its body cells and its sex cells have 9 chromosomes, the correct statement is C, Its sex cells are haploid and a result of meiosis.

Haploid cells have half the number of chromosomes as diploid cells. Mitosis is a type of cell division that produces two identical daughter cells. Meiosis is a type of cell division that produces four daughter cells, each with half the number of chromosomes as the parent cell.

In the organism described, the body cells are diploid (18 chromosomes) and the sex cells are haploid (9 chromosomes). This is because the sex cells are produced by meiosis, which is a type of cell division that reduces the number of chromosomes by half. This allows the sex cells to combine with each other to form a new diploid cell, which is the beginning of a new organism.

Find out more on chromosomes here: https://brainly.com/question/11912112

#SPJ1

Complete question:

An organism has 18 chromosomes in its body cells. Its sex cells have 9 chromosomes.

Which statement correctly explains this?

Its body cells are haploid and a result of mitosis.

Its sex cells are diploid and a result of mitosis.

Its sex cells are haploid and a result of meiosis.

Its body cells are diploid and a result of meiosis.

Answer: It is D.

Explanation:

The part of the coral that is built up over thousands of years into a reef is A. The correct option is D.

Coral reefs are composed of colonies of hundreds to thousands of individual corals known as polyps.

These marine invertebrates have hard exoskeletons made of calcium carbonate and are sessile, which means they are permanently fixed in one location.

Coral reef ecosystems are basically among the most diverse as well as valuable ecosystems on the planet. Coral reefs have the most species per unit area of any marine environment.

The reef is built on a skeleton made of calcium carbonate by coral polyps.

Slowly, over hundreds or thousands of years, coral polyps add layers of limestone to their skeletons and grow outward and upward, expanding the reef.

Thus, the correct option is D.

For more details regarding coral reef, visit:

https://brainly.com/question/15794949

#SPJ2

Answer:

best known for its role in responding to dangerous or stressful situations. In these situations, your sympathetic nervous system activates to speed up your heart rate, deliver more blood to areas of your body that need more oxygen or other responses to help your get out of danger.

Explanation:

After doing the research, the correct answer was found to be, which is mentioned below.

These are preserved remains of the plants and the animals whose bodies were buried deep inside the earths surface or either sediment.It takes millions and trillions of years to form fossils. Their age can be determined by carbon dating.

The correct options are given below, and the completed table is attached below.

Organism 1- Brachiopoda- Fossil D- They both look alike

Organism 2- Mollusca, Gastropoda-Fossil A

Organism 3- Arthropoda, Trilobita- Fossil C

Organism 4- Chordata, Actinopterygii -None

Organism 5- Pteridophyta- Fossil B- As it is in the plant kingdom and it is flowerless

Organism 6- Nematoda- None

Organism 7- Ascomycota-None

For more details regarding fossils, visit:

https://brainly.com/question/14960162

#SPJ9

The question is incomplete, but most probably the complete question is,

The following chart lists taxonomy classifications for seven organisms. Some have just one classification, while others have a subclassification. Which four classifications best match the classifications of your fossils? Research the classifications if you don’t know their characteristics.

Classification

Organism 1 Brachiopoda

Organism 2 Mollusca, Gastropoda

Organism 3 Arthropoda, Trilobite

Organism 4 Chordata, Actinopterygii

Organism 5 Pteridophyta

Organism 6 Nematoda

Organism 7 Ascomycota

Now complete the following table to explain your reasoning for the classification of your fossils.

Answer:

The correct answer is - d) basal nuclei.

Explanation:

Basal nuclei is the area present at the base of the brain made up of four sets or clusters of nerve cells. It helps in the regulation of muscle tone essential for control of the contractions of the skeletal muscle movements and other body movements.

It is the part of the grey matter found in each cerebral hemisphere that has a major role in the initiation and termination of skeletal muscle movements. Its prevent the body from unwanted body movements.

Answer:

Explanation:

Multicellular

Which characteristics will be used to complete the chart?

Kingdom

Plantae

Absorptive

nutrition

Kingdom

Fungi

H

Ingestive

nutrition

Kingdom

Animalia

Autotrophic

No nucleus

Heterotrophic

Nucleus

It does not predict a situation that might cause an oil spill to happen.

When oil debris reaches shorelines and shorelines, it interacts with sediments such as beach sand and gravel, rocks and rocks, plants, terrestrial wildlife, and human habitats, causing both erosion and pollution. Waves, currents, and wind bring the oil ashore with waves and tides.

Under certain circumstances, oil spills can be very harmful to seabirds turtles, and mammals, and can also harm fish and crustaceans. Oil destroys the insulating abilities of fur-bearing mammals such as sea otters and the water repellency of bird feathers, exposing them to harsh elements. Coral reefs Corals are also very sensitive to oil contamination. Various studies have shown that damaged coral reefs regenerate very slowly. Oil pollution can also affect entire communities.

Learn more about The model predicts here:-https://brainly.com/question/25955478

#SPJ1

Answer:

A and D

Explanation:

The speed at which molecules diffuse over dialysis tubing can be influenced and either slowed down or sped up.

In general, smaller molecules disperse faster than larger ones. The diffusion rate would be slower if the molecules attempting to pass through the dialysis tube were larger in size. On the other hand, smaller molecules will disperse more quickly.

Diffusion is greatly influenced by the concentration differential between the two sides of the dialysis tube. Diffusion will happen more quickly if there is a steep concentration gradient (a big variation in concentration). Diffusion will move more slowly if the gradient of concentration is small.

Learn more about dialysis:https://brainly.com/question/31029018

#SPJ1

Answer the answer is c mu guy

Answer:

hi how r u are u fine i am fine an u hehehe

Answer:because the fat is more the carbohydrates so it will increase

Explanation:

The "exfoliation" or "shedding" of milk teeth is the name of the procedure.

The primary and permanent tooth sets make up the human dentition. Maxillary (upper) and Mandibular (lower) are the two opposing arches in which teeth are arranged. These can be split into their left and right halves along the midline (mid-sagittal plane).

Four Different Teeth Types and Their Purposes

The majority of individuals have 32 permanent adult teeth, which can be classified into four groups:

Learn more about Dentition here:

https://brainly.com/question/12410041

#SPJ1

Answer:

DNA, or deoxyribonucleic acid, is a replicating material that is part of our bodies that is the birthplace of our chromosomes, and carries our gentic information.

Explanation:

Answer:

Explanation:

I don't really understand the question but if the animal wants to glow or not, BR, Br, bR would be the glowing because it needs at least one dominant. If there is a specific dominant gene let's say "B" then the genotypes for glowing must be Br or BR. If it is non glowing, "br". Since it will not have any domiant allele, then it would not be glowing. I hope this helped  

Genotypes with their correct phenotypes glowing: BBRR, BBRr, BbRr, BbRR, non-glowing: bbrr, Bbrr, BBrr, bbRR, bbRr.

Genotype is the genetic appearance of the organism in which it codes a protein that gives a physical characteristic to the organism.

Glowing: BBRR, BBRr, BbRr, BbRR

Non-glowing: bbrr, Bbrr, BBrr, bbRR, bbRr.

Scientists have confirmed that for bioluminescence to be displayed bright and red genes which are phenotypes that show the physical appearance of the organism.

Therefore genotype for glowing: BBRR, BBRr, BbRr, BbRR, and for non-glowing: bbrr, Bbrr, BBrr, bbRR, bbRr is genotypes with their correct phenotypes and have one copy of the dominant allele for each gene.

Learn more about genotypes, here:

https://brainly.com/question/16047237

#SPJ2

Answer:

There is a 0% chance of their offspring having 6 fingers and 100% chance that their offspring will have 5 fingers.

Explanation:

Using a Punnett square, there is no phenotype for their offspring having 6 fingers.

We've come to the decision to put your honesty to the test by requesting that you deliver us our pay for the period we worked. draws attention to the historical shift from freedom.

As Jourdon Andersen made clear in just this letter for his former master, securing their freedom required finding a way to sustain themselves so they could acquire land or otherwise profit from their own labor. He spoke to Major Anderson from Pennsylvania, where he had managed to acquire solid osmosis for both himself and his kids' education.

We've come to the decision to put your honesty to the test by requesting that you deliver us our pay for the period we worked. I faithfully served you for six years and demanded.

To know more about osmosis visit ;

https://brainly.com/question/1799974

#SPJ1

The goal of mitosis image/sequence classification is to detect if a mitotic event occurs in the sequence.

In cell biology, mitosis is a part of the cell cycle in which replicated chromosomes are separated into two new nuclei. Cell division by mitosis gives rise to genetically identical cells in which the total number of chromosomes is maintained. Therefore, mitosis is also known as equational division.

The process of mitosis generates new cells that are genetically identical to each other. Mitosis helps organisms grow in size and repair damaged tissue.

Mitosis is important for three main reasons: development and growth cell replacement and asexual reproduction.

Learn more about mitosis:

https://brainly.com/question/29776367

#SPJ1

Answer:

RISES ABOVE

Explanation:

When an oceanic plate converges with a continental plate, the oceanic crust will always subduct under the continental crust; this is because oceanic crust is naturally denser. Convergent boundaries are commonly associated with larger earthquakes and higher volcanic activity.

PLEASE MARK ME AS A BRILLIANT

The two methods that allow fish to maintain water balance in saltwater are pumping out salt through the gills and absorbing water into the body by osmosis.

In saltwater, the concentration of dissolved salts is higher in the surrounding water than in the fish's body cells. To maintain water balance, fish have developed two main methods:

1. Pumping out salt through the gills: Fish possess specialized cells in their gills that actively pump out excess salts from their bodies. This process helps maintain a lower salt concentration within the fish's body, preventing dehydration and maintaining water balance.

2. Absorbing water into the body by osmosis: Osmosis is the movement of water from an area of lower solute concentration to an area of higher solute concentration through a semi-permeable membrane. Fish have a protective layer of skin that allows water to be absorbed into their bodies while preventing the entry of excessive salts.

By absorbing water through their skin, fish replenish the water lost to the surrounding saltwater, helping to maintain their internal water balance.

These two mechanisms work together to enable fish to survive in saltwater environments. By actively pumping out salts and absorbing water, fish can regulate their internal salt concentration and prevent dehydration, ensuring their overall water balance is maintained.

For more such questions on osmosis, click on:

https://brainly.com/question/2811191

#SPJ8

Epidemiology is the study of patterns, causes, and effects of health and disease conditions in populations. Through targeted studies, epidemiologists have identified risk factors for various types of cancer, which has led to the development of screening programs and other public health interventions.

Breast, prostate, and colon cancer are among the most common types of cancer and have well-established screening programs in place. This is because these types of cancer have a relatively high incidence rate, and screening tests are effective in detecting early stages of the disease when treatment is most effective. In addition, there are well-established risk factors for these types of cancer, such as age, family history, and lifestyle factors like diet and physical activity.

In contrast, screening for other types of cancer, such as pancreatic, testicular, and bladder cancer, is not as systematic. This is because these types of cancer have a lower incidence rate, and screening tests are less effective in detecting early stages of the disease. For example, pancreatic cancer is often diagnosed at an advanced stage because symptoms do not appear until the disease has progressed. Testicular cancer is relatively rare, and self-examination is often effective in detecting early signs of the disease. Bladder cancer is often diagnosed after symptoms appear, but there is ongoing research into the effectiveness of screening tests for this type of cancer.

In addition to incidence rates and screening effectiveness, other factors that influence public health choices for cancer prevention and control include cost-effectiveness, access to healthcare, and potential harms associated with screening tests. For example, some types of cancer screening tests, such as mammography for breast cancer, can lead to false-positive results and unnecessary follow-up procedures, which can cause anxiety and additional costs.

In summary, epidemiology has played a crucial role in identifying risk factors for various types of cancer, which has led to the development of screening programs and other public health interventions. The choice to implement systematic screening for breast, prostate, and colon cancer is based on a combination of factors, including incidence rates, screening effectiveness, cost-effectiveness, access to healthcare, and potential harms associated with screening tests.

Your Welcome

A severe drought in the Georgia marshland ecosystem would have a significant impact. It would lead to reduced water availability, affecting the marsh plants, invertebrates, fish, and bird populations, disrupting the food web and potentially causing population declines and habitat loss.

One of the primary effects of a drought is the reduction in water availability. The marshland ecosystem relies on a delicate balance of saltwater and freshwater, which supports the unique plant and animal species found there.

With reduced water availability, the water levels in marshes would decline, leading to increased salinity and changes in the vegetation composition. Marsh grasses and other wetland plants may struggle to survive, affecting the primary producers in the food web.

The decrease in primary producers would cascade through the food web. Herbivores, such as marsh rabbits or marsh snails, may experience food shortages and face population declines.

This, in turn, would impact predators such as marsh hawks or alligators that rely on these herbivores as their prey.

As the population of higher trophic-level organisms decreases, it can disrupt the entire food web, affecting the stability and biodiversity of the ecosystem.

Furthermore, drought-induced habitat changes may force certain species to migrate or seek alternative resources, potentially leading to increased competition for limited food and space. This competition can further disrupt the balance of the food web.

In summary, a severe drought in the Georgia marshland ecosystem would result in reduced water availability, changes in vegetation, and disruptions in the food web.

The impacts would be felt across trophic levels, affecting primary producers, herbivores, and predators, and potentially leading to population declines and alterations in species interactions.

For more such answers on drought

https://brainly.com/question/27021741

#SPJ11

Answer:

Political, Enivronmental, how they view relationships, how they build relationships.

Explanation: