At one time, dinosaurs lived on Earth. Today they are extinct. This relates to _____.

Answers

Answer 1

Answer: It’s actually macroevolution

Answer 2

Answer:

macroevolution is the answer

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If 15% of a DNA sample is made up of thymine, T, what percentage of the sample is made up of cytosine, C?

Answers

If 15% of a DNA sample is made up of thymine, T, then the percentage of the sample that is made up of cytosine, C is 35%.

What is DNA?

DNA stands for deoxyribonucleic acid. It may be characterized as the type of molecule inside cells that contains the genetic information responsible for the development and function of an organism. It is considered one of the most common types of genetic material.

According to Chargaff's rule, the amount of adenine is always equal to the amount of thymine while the amount of guanine is always equal to the amount of cytosine.

The amount of thymine in a DNA sample = 15%

Then, the amount of adenine = 15%

Total amount of DNA = 15 +15 = 30%.

The amount of DNA left = 70% which holds guanine and cytosine in equal amounts. So, the amount of guanine = 35%, and the amount of cytosine = 35%.

Therefore, if 15% of a DNA sample is made up of thymine, T, then the percentage of the sample that is made up of cytosine, C is 35%.

To learn more about DNA, refer to the link:

brainly.com/question/16099437

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If 15% are Thymine, and Thymine always pairs with Adenine, then Adenine is also 15%. The remaining bases, amounting to 70% would be equally divided between Cytosine and Guanine, since they always form pairs. So 35% would be the answer.

Which term best describes this collection of locations a forest a freshwater lake an estuary and a prairie

Answers

an estuary is partly enclosed coastal body of water with one or more rivers flowing through it, and with a free connection to the open sea. it would be more of a collection. hope this help have a great day.

The two lower parts of the heart that pump blood out to the body are called the left and right _____. bronchi, ventricles, atria

Answers

They are called the left and right Ventricles

Answer:

Ventricles

Explanation:

The general who directed the project responsible for the "Fat Man” graduated from what alma mater in 1918?

Answers

Answer;

-The name of the general was Leslie Richard Groves Jr. He Graduated fourth in his class in the U.S. Military Academy at West point.

Explanation;

The name of the general was Leslie Richard Groves Jr. He graduated from the United States Military Academy of West point in the year 1918.

As an engineering aide, He led a small team of workers who helped produce the exterior casing of "Fat Man," a nuclear bomb dropped on Nagasaki, Japan, that hastened the Japanese unconditional surrender three weeks later.

Leslie Richard Groves Jr. is the right answer.

He was the general who conducted the project accountable for the "Fat Man”. He became graduated in the year 1918, from the United States Military Academy of West Point. He directed as a small group of engineers who build the outer casing of "Fat Man," an atomic bomb released on Nagasaki, Japan, that urged the Japanese absolute submission in the next three weeks.

A neighborhood group wants to build a new playground using donations from residents. The amount needed from each donor varies inversely to the number of people donating. If 25 people donate, each of them would need to contribute $135. Solve for the amount each person needs to contribute if 45 people donate.

Answers

First of all, we need to find out how much money is needed ,

25 x $ 135 = $ 3375

Next, we just need to divide this amount to total contributors

$ 3375 / 45 = $ 75 per person

Hope this helps

Answer:

Each person needs to contribute is $75.

Step by step explanation:

It is given that the number of people is 25. Each of them would need to contribute $135.

Total amount contributed by 25 people is the product of 25 and 135.

$25* 135=3375$

Total amount contributed by 25 people is $3375.

Now 45 people has to contribute the same amount $3375.

If 45 people donate $3375, then each people donate

$(3375)/(45)=75$

Therefore, each person needs to contribute is $75.

a major reason that human have negatively affected the environment in the past is that they

Answers

Cars and other forms of transportation emit carbon dioxide and other harmful chemicals. Many trees are cut down, which reduces the amount of oxygen. Global warming causes the icecaps to melt, which means that some species in the arctic are dying out. Hope this helps!

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