Fires result from both human disturbances and natural causes. an immediate effect that widespread fires have on an ecosystem is what?

answer: c

explanation:

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.

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

the contamination

we are putting to many trash.