Which of the following is an example of how an abiotic component
affects a community *

A .A wet spring leads to an increase in the frog population.

B. A beetle from another continent kills a population of trees.

C. A fungus infects a population of bats and many die

D. An increase in flies leads to an increase in the swallow population.

C

Explanation:

Bc i think it is n it’s affecting the community of bats

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.