yengracojorisboo yengracojorisboo

13-12-2015
Biology

Answered

How often does oxygen cycle through the atmosphere?

Aabout every 1000 years
Babout every 1500 years
Cabout every 2000 years
Dabout every 2500 years

Verified Answer :

Sophiag1315 Sophiag1315

13-12-2015

about every 2000 years.

Answer Link

nrlindly nrlindly

06-02-2019

B. about every 2000 years

Answer Link

Related Questions

Who says the following and why Hardhearted you are you gods You unrivaled lords of jealousy

Which word in the following sentence should not be capitalized Last Tuesday the substitute teacher Mrs Hanover taught us how to write metaphors about Earth in E

What is 12of 175

It takes Jo 90 seconds to cut a a certain type of wood into 10 pieces How long would it take Jo to cut the same wood type into 20 pieces

A vehicle is only 15 efficient What happened to the other 85

What is the most important social institution in American life a the family b the schools c the government d the media

Solving system by elimination 7x2y24 8x2y30

Aside from low birthrates and high death rates what can cause a countrys population to decline emigration increased food supplies diffusion immigration

During wartime a small country issued certificates to the public to raise money Each certificate promised to pay the holder a certain amount in silver After the

Solve for $x$. $24-8 x=-16$