Weathering weakens and breaks apart rocks. this is an example of how weathering affects the earth’s surface

The answer is True. Weathering does affect earth's surface. It can break apart rocks so the answer is true.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.