The nucleus would be like the command center in the cell, because it monitors the cells functions and keeps everything "running smoothly".
Answer:
C
Explanation:
From reading what the process is, I think the answer should be C. The definition always says that you get energy from a chemical reaction and the products are CO2 and water. That can only mean that you have a hydrocarbon burning.
Chemically it looks like
C6H12O6 + 6O2 ====> 6CO2 + 6H20
ok this one is easy. the measurments are dividing by 2
2,1,.5,.25
so it would be
C: 0.2 meter.