Plants can have a circulatory system.
O True
O False

True

Explanation:

As plants evolved to be largwr, they will also developed thwir own kind of Circulatory systems.

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.