Dry farming is . a. a process for loosening the top soil to retain natural soil water in dry regions b. a process for using plows to plant seeds deeper in the earth to avoid freezing c. another name for byproducts d. another name for sharecroppers

b

Explanation:

the correct answer is a

Explanation:

because i just got it right

your list doesn't mention any of them at all.

and what does "these" mean anyway ?

1) the answer is b

senators serve a six-year term; representatives serve a two-year term, making them more responsive to (and responsible for) voter confidence.

2) the answer is d

to serve as president, one must:   -be a natural-born u.s. citizen of the united states;   be at least thirty-five years old;   be a resident in the united states for at least fourteen years.

3) the answer is a

ella,because it is constitutionally eligible

4) the answer is c: the u.s president