2 years ago

How do scientists determine when an era ends and an era begins

1 answer:

4 0

Geologic Time Scale.Scientists decide when an era begins and ends, due to mass extinction. ...Scientists determine when drastic changes are made by the fossil record, which shows earths past organisms that have become extinct.

You might be interested in

In what phase of meiosis are sister chromatids separated and pulled to opposite ends of the cell?

Agata [3.3K]

In the anaphase.

Hope this helped!!!!! :)

7 0

3 years ago

Read 2 more answers

What common animal has a major role in the discovery that genes are carried on chromosomes?

Sergio [31]

The answer is The fruit fly

7 0

3 years ago

What does hydroelectric power do?

Sholpan [36]

Answer:

B Requires building dams that can harm ecosystems

8 0

2 years ago

Read 2 more answers

Which two things are found on a molecule of tRNA

s344n2d4d5 [400]

Answer: Ribose nucleotides and the nitrogenous bases

Explanation: RNA consists of ribose nucleotides (nitrogenous bases appended to a ribose sugar) attached by phosphodiester bonds, forming strands of varying lengths. The nitrogenous bases in RNA are adenine, guanine, cytosine, and uracil, which replaces thymine in DNA.

7 0

2 years ago

Read 2 more answers

Imagine you are a dietician. You are treating a patient who has diabetes. The patient can’t have too many carbohydrates that are

Lana71 [14]

Answer:the chocolate is the answer

Explanation:

4 0

3 years ago