Matthew35 Matthew35
  • 01-02-2014
  • Biology
contestada

How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?

Respuesta :

Dom Dom
  • 01-02-2014
Increase in size was one affect, also the increase of oxygen also affected the temperature
Answer Link

Otras preguntas

what type of fractions are the following A) 1/3 A) Improper B) mixed C)wholeB) 5 1/6C) 6/5answer A B C with the three multiple choice answers.
Which substance will combine with oxygen gas to produce a greenhouse gas? a. Na b. S c. H₂ d. Ne e. C
Which substance will combine with oxygen gas to produce a greenhouse gas? a. Na b. S c. H₂ d. Ne e. C
do you know how to say my in Spanish?
I need a Amazon tribe name please! Need for Monday
how many books did Harriet beecher stowe write?
Over what period of time would you expect to see large changes in mountains,canyons,and similar features of the earth?
How can b^2+9b+14 be re-written?1) (b+7) (b-7)2) (b-7) (b-2)3) (b+7) (b-2)4) (b+7) (b+2)
What two factors determine the state of rocks and metals Inside the earth?
What challenges did the californios face?