What role does O2 play in aerobic cellular respiration? A) it combines with carbon dioxide to form ATP
B)it combines with acetyl-CoA at the start of the Krebs cycle
C)it is an important part of the electron transport system

Pls need ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.