When there is not enough oxygen for cells to use cellular respiration<span />
Answer:
Cells can generate from nonliving matter,
Explanation:
He concluded that only living cells can produce cells/ only life can produce life. so if the fact that cells can generate from matter that is not living, it would disprove his theory because his theory was that only living things can produce living things.
As you grow older, you would need to remain physically active to keep a good level of physical fitness.
Answer: T
The nucleus controls the activities within a eukaryotic cell
Oxygen and Hydrogen Atoms!
