The many folds of the small intestine give it a surface area comparable to .
a. a one-car garage
b. a two-car garage
c. a tennis court
d. two football fields
e. an acre

C. a tennis court

Explanation:

the absorptive surface area of the small intestine is about 250 square meters (almost 2700 sq. ft.) - the size of a tennis court.

oxidation

explanation:

answer

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.