<span>Photosynthesis stops due to a lack of carbon dioxide.
</span>
Answer:
A
Explanation:
because cancer cell divide faster / uncontrollably compared to normal cell.
Carbon and hydrogen.
The simplest group of organic molecules are the alkanes which have only these 2 elements. Eg methane, CH4.
12. D
13. B
14 . C
I hope I helped you. I don't know if I was helpful.
