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Answer:Ice melts when heat energy causes the molecules to move faster, breaking the hydrogen bonds between molecules to form liquid water. In the melting process, the water molecules actually absorb energy.

Explanation:

Answer:

I believe it's 80%

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Answer:

Iron beads and candies Pepper

Explanation:

Iron beads and candies Pepper

Mixtures containing substances that are attracted by magnets can be separated using a magnet. We can separate iron from a mixture of sand and iron, as only the iron is attracted to the magnet.

Answer:

option A

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Answer:

The Sun.

Explanation:

Energy reaches the Earth in the form of electromagnetic radiation.

Terrestrial solar radiation means solar radiation that reaches the Earth after passing through the Earth's atmosphere. About 97% of solar radiation reaches the Earth in the range of wavelengths 0.29 - 2.5 μm, and about 3% with wavelengths greater than 2.5 μm.

Answer:

april

Explanation:

Answer:

April 1st

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Answer:

Only about 50 percent of the CO2 from human emissions remains in the atmosphere. The remainder is approximately equally split between uptake into the land biosphere and into the ocean.

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Answer:

A recharge zone usually occurs at a high elevation where rain, snowmelt, lake or river water seeps into the ground to replenish the aquifer. A discharge zone can happen anywhere. ... Many people with wells are accessing an unconfined aquifer layer for drinking water. This can be an issue when there is a drought.

Explanation:

aquifer?

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Answer:

It increases the temperature of the reaction.

Explanation:

Enzymes increase the speed of the chemical reaction. The reaction usually gets faster when the temperature is high. As a result, I think that this is the best choice of all.

Answer:

decreases

Explanation:

any decrease in the population can lead to a signal of extinction

any increase is result of rapid growth

Answer: if someone in the family carries the albino gene especially both parents genes or a possible ancestor it van be passed from 1st or second generations  

Explanation:

Solution :

In this question we have to determine whether the statement given in the question is accurate or precise or both or neither of them.

In the question it is given that the lab members are making a guess about how many base pairs will the new plasmid will have.  Their random guesses of base pairs are 4,005; 4,006; 4,007; and 4,010. But in actual, the new plasmid has 7,968 number of base pairs.

Therefore, according to it, the data in the statement is precise but it is not accurate.

Precision refers to the degree of the reproducibility of measurements even if the values varies from accepted values. And accuracy shows how much close the measurement is to the accepted or the known value.

We say that we have a precise data on our hands and not an accurate one

Option B

Question Parameters:

The lab members' guesses are 4,005; 4,006; 4,007; and 4,010.

Generally, accuracy shows how close a size is to a regarded or established value, whilst precision in facts capability the degree of reproducibility of the measurements. Measurements that are each specific and correct are repeatable and very close to genuine values.

Hence, we say that we have a precise data on our hands and not an accurate one

Option B

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Answer:

1 goes to c  2 goes to b and 3 goes to a

An electric discharge is the release and transmission of electricity in an applied electric field through a medium such as a gas. ... As the charge on these particles builds up, the result is the often-spectacular discharge of electricity known as lightning

Answer:

first and third one

Explanation:

animals need the oxygen they make. and animals eat the plants. if an animal doesnt eat plants it eats somthing that does. sorry for the typos.

Answer:the answers are a and d

Explanation:

I did the test sorry if wrong

In the given image, it is showing that plants use carbon dioxide gas to make sugars during photosynthesis. The correct option is D.

The carbon cycle is nature's method of recycling carbon atoms, which travel from the ambience into Earth's living organisms and then back into the atmosphere. The majority of carbon is stored in rocks and sediments, with the remainder in the ocean, environment, and living organisms.

Plants consume carbon dioxide and sunshine during photosynthesis to produce fuel i.e., glucose and other sugars for the construction of plant structures. The fast biological carbon cycle is built on this process.

Thus, the correct option is D.

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Your question seems incomplete, the missing image is probably the below one.

Answer:

Mitochondria have a highly folded membrane which increases the amount of ATP that can be made.

Answer:

Despite the risk of DNA damage and cancer production, X-rays are still used by doctors because the benefit of this diagnostic study outweighs the risk, which in most cases is very low.

Explanation:

Diagnostic radiology studies, such as X-rays and CT scans, are procedures that use ionizing radiation to obtain images of the inside of the body. Prolonged or constant exposure to this type of radiation is harmful because there is a risk of producing damage to DNA and can lead to the development of cancer.

However, the use of X-rays and CT scans are non-invasive diagnostic methods whose information provides an accurate diagnosis of a disease and, when well used, has a very low risk of organ damage.

Ionizing radiation is measured in milisieverts (mSv) and exposure from radiologic studies is in the range of 0.1 to 10 mSv per study. The amount of ionizing radiation a person is expected to receive per year from exposure to their environment is in the order of 3 to 5 mSv per year, so diagnostic imaging studies involve a low risk of organ damage.

Doctors continue to use X-rays as a diagnostic study, despite the risk of cancer and DNA damage, because the benefit —accessible, noninvasive, and cost-effective— far outweighs the risk.

Answer:

Observations are receiving knowledge of the outside world through our senses, or recording information using scientific tools and instruments.

Any data recorded during an experiment can be called an observation.

Answer: Mahir noticed the plants he watered grew taller than those with less water.

Explanation:

Answer:a mountain range

Explanation: because when when they crashed it created a mountain range

Answer:

B  

when they crashed it created a mountain range

Answer:

1.) Coughing involves a quick contraction of the diaphragm muscle, forcing air

through the respiratory pathway, and dislodging mucus or other harmful

particles

3.) Cilia function like a filter, trapping dust and pollen in the nose,

4.) Mucus traps bacteria and viruses to be removed or swallowed.

Explanation:

Coughing involves a quick contraction of the diaphragm muscle, forcing air out while the cilia act like a filter, trapping dust and pollen in the nose. Mucus traps bacteria and viruses to remove or swallow. So, the correct options are A, C and D.

The respiratory system is defined as the network of organs and tissues that help us breathe which includes the airways, lungs, and blood vessels. The muscles that power the lungs are also part of the respiratory system where these parts work together to move oxygen throughout the body and clear out waste gases like carbon dioxide.

Respiratory system works in that way with the immune system by keeping the human from getting sick by bacteria and viruses are removed or swallowed by mucus, while the cilia act like a filter, trapping dust and pollen in the nose.

Thus, coughing involves a quick contraction of the diaphragm muscle, forcing air out while the cilia act like a filter, trapping dust and pollen in the nose. Mucus traps bacteria and viruses to remove or swallow. So, the correct options are A, C and D.

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Answer:

DNA testing has gone mainstream. The cost of DNA sequencing has reduced faster than Moore's Law. With an estimated cost of $100 in the foreseeable future, DNA sequencing becomes more accessible and opens up new use cases, such as wider adoption of population sequencing

Explanation:

Answer:

they compare fossils to other fossils to see if skeleton changes are observed in a species over time it indicates that there is genetic change going on within the species

Answer:

Science uses fossil evidence to support evolution theories because you can link similar fossils among creatures from millions of years ago, to the living creatures of today.

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Answer:

A

Explanation:

Answer:

C. They have trouble moving materials in and waste products out

Answer:

1.A new species

2.Adding to world population

3.More to learn

Explanation:

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substrate specificity. The active site of an enzyme is very specific to its substrates as it has a very precise shape. This results in enzymes being able to catalyze only certain reactions as only a small number of substrates fit in the active site. This is called enzyme-substrate specificity.

Answer:substrate specificity. The active site of an enzyme is very specific to its substrates as it has a very precise shape. This results in enzymes being able to catalyze only certain reactions as only a small number of substrates fit in the active site. This is called enzyme-substrate specificity.

Explanation:Enzymes and substrates share specificity in that an enzyme will only react with a specific substrate • This is because the active site is complementary in both shape and charge to a given substrate • The model by which this is known is ‘lock and key’ as the substrate is a precise structural fit for the enzyme, much like a lock and key • When the enzyme and substrate bind, they form an enzyme-substrate complex, before the substrate is catalytically converted into a product