Compose a hypothesis for each of the following questions. Will planting seeds
too shallow or too
deep prevent their
growth?

No

Explanation:

it doesn't prevents their growth only if they get the necessary source

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

yes it is weird but true