47.3k views
0 votes
What process ensures that organisms will have plenty of oxygen?

A: photosynthesis 
B: cellular respiration

User Pauljz
by
8.2k points

2 Answers

3 votes
the process of meiosis.
User William Ku
by
7.9k points
4 votes
Hello there...I'm not exactly sure but I think your answer would be B!
User Sam Claus
by
8.0k points