Which of the following is NOT part of the Cell Theory? A. All organisms are composed of cells

B. Cells come from pre-existing cells.

C. Cells are the unit of life within an organism.

D. All organisms are composed of 2 or more cells.

E. All of these choices are parts of the Cell Theory.

D

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 real answer is b. scintillation counter