kweensara88 kweensara88

13-11-2020
Biology

contestada

Why wasnt Oxidation chemical weathering common 2 billion years ago

Respuesta :

xyz0105 xyz0105

13-11-2020

Answer:

Oxygen levels were a lot lower then

Explanation:

2 billion years ago was before the Great Oxidation Event. The first oxygen-producing cyanobacteria did not exist before then. Without oxygen, oxidation cannot be common.

Answer Link

Otras preguntas

whats 560,233,827,222,400 X 2 my computer doesnt respond also whats 8,591,715,599,360 X 2

How does the first scene of act I in romeo and juliet develop the conditions that will influence the ill-fated love between Romeo and Juliet?

which describes polytheism

NEED HELP ASAP! <3 In the short story “Rules of the Game” by Amy Tan, what game is used to symbolize the conflict between mother and daughter? A.) chess B

What is n? Thank you!

Is the following an identity or have no solution. 2(a-4)=4a-(2a+4)

how do car brakes work I am confused on what kind of friction these pads have effect on the wheels

A number n minus 3 is at least –5

What do we call the transfer of goods goods and ideas between the old work and the.new world

trina has two brothers. one brother is 7 years older than trina and the other brother is 7 years younger than trina. the product of her brothers age is 95. a. i