hindswaguovx03u hindswaguovx03u

10-12-2021
Biology

contestada

According to the fossil record, how long ago do scientists believe life on Earth first appeared?

According to the fossil record how long ago do scientists believe life on Earth first appeared class=

Respuesta :

arlawli arlawli

10-12-2021

Answer:

B

Explanation:

We know that life began at least 3.5 billion years ago, because that is the age of the oldest rocks with fossil evidence of life on earth.

Answer Link

einaled einaled

10-12-2021

i believe it is 3.5 billion years ago

Answer Link

Otras preguntas

The total fertility rate necessary to keep the population constant is approximately equal to:

If f(12) = 100(0 .50)12, which expression gives f(x)? Explain. A . f(x) = 12^x B . f(x) = 100^x C . f(x) = 100(x)^12 D . f(x) = 100(12)^x

Convert 180 inches to feet.

Give two possible ways that negative human impact on the pH of Earth’s oceans can be reduced.

A student is trying to solve the system of two equations given below: Equation P: y + z = 4 Equation Q: 3y + 7z = 15 Which of the following steps can be used

What had the greatest impact on the economy of Southwest Asia during the early part of the 20th century? A)discovery of petroleum B)increased use of irrigation

What is another way to write the calculation add 9 and 4, and then multiply by 3? A) (3)(9)+4 B) 3(9+4) C) 3x4+9 D) 3x9+4

Plz answer Every time the clock struck 11, the house got dark for 5 minutes (300 to 450) words Write a story starting with this line in 300 to 450 words

(b+2) (b-9) idk what to doits called Multiplying Monomials and Polynomials

I DON'T understand