Answer:
After 6 hours
Explanation:
Functions in oxygen begin to decrease after 6 hours
Answer:
I think the sun
Explanation:
bc plants need water and sun to survive
Answer:
C. running a marathon
Explanation:
When you run a marathon you eventually switch to anaerobic respiration since not enough oxygen is present for aerobic respiration to occur (which uses oxygen as the last electron carrier in the electron transport chain). This process causes lactic acid to be produced.
