68.8k views
14 votes
I NEED HELP!!!!!!!!!!!!

Photosynthesis occurs when _______.

a.
plants absorb energy from carbon dioxide

b.
plants absorb energy from sunlight

c.
oxygen concentration in the atmosphere increases

d.
all of the above

User Crwth
by
6.3k points

2 Answers

12 votes

Answer:

A plants absorb energy from carbon dioxide

User Ggilberth
by
7.2k points
9 votes

Answer:

D all of the above, I think.

Step-by-step explanation:

User Mindan
by
6.9k points