UUTUULIV + Warm UTC)
b. Why do animals need to migrate farther if they live on flat terrain (which is more common in the
eastern U. S.) rather than in a mountainous region (which is more common in the western U. S.)? (2
points)

a

explanation:

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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.