Carbon-oxygen cycle in your own words definition

The carbon cycle is where carbon dioxide goes from the air into living creatures and the Earth, at that point over into the environment. Plants take carbon dioxide from the air alongside water and photosynthesis from the sun and use it to make food.

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.