Of the four points shown on the diagram, deposition is greatest at points

I would say B and C.

Explination: Deposition is material deposited in a new spot. On points B and C, it appears the residue from the water would end up on those river banks.

where is the scientific experiment?

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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.