Science brainliest for the right answer! it is summer for a city located in the northern hemisphere. each day the amount of daylight varies slightly, but it is about 12 hours and 30 minutes. which latitude is this city located at? 50 90 70 20

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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.