Which best describes why scientists need to be creative? A. They need to be sure that the evidence backs up the conclusion. B. They need to notice all of the evidence carefully. C. They need to be constantly asking questions. D. They need to think of ways to solve problems?

D, They need to think of ways to solve problems.

Explanation:

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

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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.