Answer:
human cells also perform glycolysis, the drug might also poison them
Answer:
Oxygen levels are generally thought to have increased dramatically about 2.3 billion years ago. Photosynthesis by ancient bacteria may have produced oxygen before this time. ... In addition, early plants and algae began to release oxygen at a faster rate. Oxygen levels then showed a dramatic increase.
Explanation:
the sun's radiant energy is transformed into chemical energy
C. Makes the most sense to me
The independent variable is whatever you're changing