Which statement is true of both the desert and tundra biomes? They both have – very low temperatures.
very low temperatures.

four seasons.
four seasons.

very low precipitation
very low precipitation

high biodiversity.

is this a psat question, if so do not cheat try your best.

the correct answer is:

a population changes in response to a change in the environment.

allowed for the prediction of the properties of missing elements.

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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.