Q: You are presented with the quiz "What do earthworms do?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "earthworms are important deposit feeders that help form and enrich soil" and "good soil grows good plants". So, what's the best answer to the question?

Options:
[a]. Start fires.
[b]. reproduce.
[c]. Destroy earth.
[d]. Move to another area.
[e]. Converting waste..
[f]. Create earth.
[g]. competing for resources.
[h]. Help plants grow.
A:
[h].