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Why was 1990 an important year regarding air quality?

The United States took first steps to keep the air clean.
The United States created the Environmental Protection Agency.
Modifications and improvements were made to the Clean Air Act.
Funding was established under the Clean Air Act to study air pollution.

Answer:

monera kingdom

Explanation:

Answer:

The kingdom is Monera Kingdom

Explanation:

Answer:

Algae are phytoplankton capable of photosynthesis. How do ocean currents affect algae populations? A) Ocean currents deposit nutrients at the ocean floor, where the algae are present. B) Ocean currents push the algae to the ocean floor, where the nutrients are present. C) Ocean currents move the cold, nutrient-rich water to the surface to provide renewed food source for algae. D) Ocean current move algae from the poles toward the equator, where the amount of sunlight received is more.

The answer is c

Explanation:

Answer:

The chocolate lover bought 6 boxes of chocolate, each containing 12 truffles

Explanation:

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Answer:

The chocolate lover bought 6 boxes of chocolate, each containing 12 truffles. How many truffles did she buy?

Answer:

I walk eg: to work every day. Most of the people I work with go (1) by car, I prefer to go (2) on foot because it's healthier. I come (3) out of my apartment and then I take the lift (4) down to the ground floor. I walk a block (5) to the corner and then I go (6) through a shopping centre until I reach the other side of it. Then I go (7) across the road to the other side. Then I reach a bridge that goes (8) over to the bridge. My office building is (10) on the main road. I go (9) down the steps and across the bridge to the other side.

Explanation:

Answer:

T-A-C-G-A-T

Explanation:

use the method of Apple in Tree and Car in the Garage

A matches with T and C matches with G

T matches with A and G matches with C

Answer:water is able to dissolve more substances than any other liquid on earth

Explanation:

When large tracts of land are plowed, the exposed soil can erode during rainstorms

we have Kool-Aid and brilliant blue waterfalls. It's also why water is so easily polluted

Answer:

Water is easily polluted because its is able to dissolve more substances than any other liquid on earth.

We  can see here that going through the answers provided in the image, we can deduce that they are correct though it will be proper to cross-check before submitting.

Nucleic acids are biomolecules that play a crucial role in storing, transmitting, and expressing genetic information in living organisms. They are essential for the functioning and inheritance of genetic traits.

Both DNA and RNA are polymers made up of repeating units called nucleotides. Each nucleotide consists of three components: a sugar molecule (deoxyribose in DNA and ribose in RNA), a phosphate group, and a nitrogenous base.

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Answer:

Here are some uses of biotechnology in the production of washing powders:

Enzymes: Enzymes are commonly used in washing powders to enhance the cleaning efficiency and remove various types of stains.  Proteases, amylases, lipases, and cellulases are examples of enzymes used in washing powders. These enzymes break down protein-based, starch-based, lipid-based, and cellulose-based stains, respectively, into smaller fragments, making them easier to remove during the washing process.

Bio-surfactants: Surfactants are essential components of washing powders as they help to remove dirt and oil from fabrics. Biotechnology allows for the development of bio-surfactants, which are surfactants derived from biological sources, such as bacteria or yeast. These bio-surfactants are more environmentally friendly than traditional surfactants as they are biodegradable and have lower ecological impact.

Microbial Strains: Biotechnology can be used to isolate, characterize, and optimize microbial strains that produce enzymes or bio-surfactants. Microorganisms, such as bacteria and fungi, can be engineered or selected for their ability to produce specific compounds that enhance the cleaning performance of washing powders.

Genetic Modification: Genetic modification techniques can be employed to enhance the properties of microorganisms used in the production of enzymes or bio-surfactants. This allows for the creation of microorganisms with improved characteristics, such as increased enzyme activity or enhanced stability under varying conditions.

Fermentation Processes: Biotechnology facilitates the use of fermentation processes to produce enzymes and bio-surfactants at a large scale. Fermentation involves the controlled growth of microorganisms in bioreactors, where they produce enzymes or bio-surfactants through metabolic processes. This enables the efficient and cost-effective production of these ingredients for use in washing powders.

Explanation:

Answer:

It is Malleability.

Answer:

Metals have the property of malleability. A roll of aluminum foil is an example of the malleability of metals.

Explanation:

Answer: Element

Explanation: An element is a pure substance that cannot be separated into simpler substances by chemical or physical means.

Each element has unique physical and chemical properties.

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The evidence that supports the endosymbiotic theory is mitochondria have chromosomes and ribosomes that are similar to prokaryotes.

Some lines of evidence that supports the endosymbiotic theory include:

In conclusion, the evidence that supports the endosymbiotic theory is mitochondria have chromosomes and ribosomes that are similar to prokaryotes.

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Answer:

chemical

Explanation:

Yes, it is true that pitcher plants are carnivorous. Pitcher plants are a type of carnivorous plant that have evolved to obtain essential nutrients from insects and other small organisms.

The answer in True.

These plants typically grow in nutrient-poor soil conditions and have adapted to capture and digest insects as a way to supplement their nutrient intake.
The main feature of pitcher plants is their modified leaves, which form a pitcher-like structure. This structure is filled with a liquid that contains enzymes and other substances that can break down the captured prey. The rim of the pitcher, called the peristome, is slippery, causing insects to fall into the trap. Once trapped, the insects are digested, and the nutrients are absorbed by the plant.
There are several types of pitcher plants, including the North American Sarracenia, the tropical Nepenthes, and the Cephalotus from Australia. Each species has unique adaptations and trapping mechanisms that help them capture different types of prey.
In summary, pitcher plants are indeed carnivorous, as they have adapted to obtain essential nutrients from insects and other small organisms. They do so through their unique pitcher-like structures, which are designed to trap and digest prey. This adaptation allows them to thrive in nutrient-poor soil conditions.

The answer in True.

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The ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.

To find the ratio between 92 mL and 3.0 fl oz, we need to convert the units to a common measurement. Let's convert 3.0 fl oz to milliliters (mL).

1 fluid ounce (fl oz) is equal to approximately 29.5735 milliliters (mL).

Therefore, 3.0 fl oz is equal to 3.0 * 29.5735 = 88.72 mL (rounded to two decimal places).

Now we can express the ratio between 92 mL and 88.72 mL:

92 mL : 88.72 mL

Simplifying the ratio by dividing both sides by the greatest common divisor, we get:

46 : 44

So, the ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.

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Eh...

Based off what I know, it is any of several spherical bacteria of the genus Staphylococcus, occurring in pairs, tetrads, and irregular clusters, certain species of which, as S. aureus, can be pathogenic for humans.

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Answer: I hope this is helpful mark me brainlist if correct then no if wrong Happy Thanksgiving

Explanation:

staphylococcus- a bacterium of a genus that includes many pathogenic kinds that cause pus formation, especially in the skin and mucous membranes.Staphylococcus is a genus of Gram-positive bacteria in the family Staphylococcaceae from the order Bacillales. Under the microscope, they appear spherical, and form in grape-like clusters. Staphylococcus species are facultative anaerobic organismsStaphylococcus (staph) is a group of bacteria. There are more than 30 types. A type called Staphylococcus aureus causes most infections. Staph bacteria can cause many different types of infections, including: Skin infections, which are the most common types of staph infections.

A variable is a factor that can be manipulated in an experiment. It is an aspect that affect the outcome of an experiment.  

Thus, in scientific research, variables are controlled or measured to determine their effect on the dependent variable. In this case, Vusi is investigating the heat conductivity of different metals in an experiment, where the metal itself is an independent variable.

Variables are important in experiments because by manipulating and controlling variables, researchers can draw conclusions about the behavior of the system under investigation. In the experiment of Vusi, the use of variables allows him to draw conclusions about the relative heat conductivity of the different types of metal.

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When the body of the mass increases the acceleration decrease.

According to newton's second law of motion Force equals the rate of change of momentum. F = m * a . It can also be represented as  \(\frac{f}{a} = m\)
where F = Force
           m = mass of an object
           a = acceleration

Mass and acceleration are inversely related, if the mass of an object increases the acceleration of the body decreases, and vice versa.

Basically when you put more weight on a moving the motion or the movement of the body decreases due to the heavyweight.

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Answer:

Comets are small icy dirtballs that orbit the Sun; comets are made of ice and dust while asteroids are made of rock). A meteor is a space rock—or meteoroid—that enters Earth's atmosphere, as it – burns up upon entering Earth's atmosphere, it creating a streak of light in the sky (often called "shooting stars").

Explanation:

Answer:

A comet is a ball of ice and dust that orbits the sun

A asteroid is a small rocky object

A meteor is a small piece of a asteroid or comet......

Explanation:

To remember think of it this way Comets are big , Asteroids are small

Meteors are pieces of them both

Answer:

hereditary

Explanation:

All of the above describes the importance of taxonomy. Therefore, option (D) is correct.

Taxonomy is the science of classifying and naming organisms. It involves grouping organisms based on shared characteristics and assigning them scientific names according to established rules.

Taxonomy helps scientists to understand the relationships between different species and to organize and communicate information about the diversity of life on Earth. It provides a system for classifying and naming organisms that is widely used in biology and is essential for understanding the diversity of life on our planet.

In taxonomy, organisms are classified into a hierarchical system of categories, starting with the broadest (kingdom) and becoming more specific (phylum, class, order, family, genus, species). Each organism is assigned a scientific name consisting of two parts: the genus and the species. The genus is the first part of the scientific name, and the species is the second part. Together, these two parts form the unique scientific name for each organism

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The structure of venous valves in the large veins of the extremities is that the the valves in the veins are hemispherical in shape and are made up of Elastic tissue. These valves are lined by the endothelium like the rest of the veins. Beneath this endothelium, elastic tissue is present in the form layers or lamellae.

The functions of the of venous valves in the large veins of the extremities is  is to keep the blood moving in one direction which is back up towards the heart.

Veins are regarded as blood vessels located throughout your body that collect oxygen-poor blood and return it to your heart.

Veins are generally part of your circulatory system which work together with other blood vessels and the heart to keep blood moving in the body.

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Answer:

erythropoietin (EPO), human growth hormone (hGH), insulin, and insulin-like growth factor I (IGF-I)

Explanation:

Not sure if this is what you are looking for but these are the three ways athletes get better performances

Small sample sizes may lead to deviations from the expected proportion rate of 9 3 3 1, it is for that reason it is fundamental to work with high N samples in genetics.

The number of samples or N number sample is fundamental in genetics because small samples may lead to statistical deviations to the expected frequencies that will be associated with a phenotypic ratio in particular, such as in this case white smooth = 28 and purple wrinkled = 24, when both numbers should represent the presence of a dominant character in a dihybrid cross.

Therefore, with this data, we can see that importance of the N number sample in genetics is major in the sense we need to obtain statistically significant differences to confirm a phenotypic ratio of 9 3 3 1.

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Answer:

farming

Explanation:

we use most water for agriculture and farm I think

Answer:

An allele is a variant form of a gene. Alleles can be found on the same locus, or position, on a chromosome, and can determine different characteristics in organisms, such as eye color or hair color. Alleles are inherited from parents and are located on chromosomes.

An allele is an alternative form of a gene, and it affects the phenotype, or physical characteristics, of the organism. Alleles can be either dominant or recessive, and they are important in understanding genetic inheritance and variation. Dominant alleles are those that are expressed when present and can override any recessive alleles, while recessive alleles must be present in both copies of the gene in order for them to be expressed. Alleles can also interact with each other in unique ways, producing different effects. For example, two alleles for the same gene may produce a completely different phenotype, or even no phenotype at all in some cases.

Answer:A gene that causes a specific trait.

Explanation: