Q: Answer the following question given this paragraph: Leaves are rich in chloroplasts that function as solar collectors and food factories. The first leaves were very small, but leaves became larger over time. Q: What are in leaves that function as solar collectors and food factories? A:

OPT:
[A]. cellulose.
[B]. vacuoles.
[C]. fibroblasts.
[D]. chloroplasts.
The answer is:
[D].