Will give ! there are many natural processes that shape the earth's surface. these processes can act as constructive forces, destructive forces, or both. in general, natural processes act as constructive forces a) only at high elevations. b) only at sea level. c) when they wear down landforms. d) when they build up landforms.

D) When they build up landforms.

Explanation:

This is partially a little simple because construct is basically "build up". Also according to Quizlet, it is D! Have a nice day!!

C.  when they wear down landforms.

i did it in my study island

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what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.