You'll get brainliest and 55 points if correct.

peg and susan are discussing migration. peg says that migration is associated with seasonal changes and that animals usually migrate in large groups. susan says that migration occurs when animals travel from one physical area to another and that it's voluntary. who is correct?

a. only susan
b. both peg and susan
c. neither peg nor susan
d. only peg

B

Explanation:Animals choose to migrate from one area to another, making susan correct. Animals move in large groups, which can sometimes be caused by seasonal change, making peg correct.

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

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.