Explain how the behaviorism and social-cultural approaches would explain the increase in the dropout rate of high school students. PLEASE HELP ME WITH THIS

a chair, a bed, and a toothbrush

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.

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.