Answer:
2
Explanation:
Edit- lol i just guessed
X needs 2 and that will balance out you equation
So the answer would be 2!
- 英辞郎 <3
D
increase because of carbon
the answer is 40c because i just took the test
b
i did this i know
C
Animals have a mitochondria, a nucleus, and a cell membrane, bu they do not have chloroplasts. You can only find chloroplasts in human and plant cells, not a animal's cell. Hope it helps!