The storm gutters of a large city empty into an ocean bay. a mechanic shop, unable to afford proper disposal, begins dumping its used car fluids, like motor oil, into the gutters instead. how will this impact the marine life of the bay?

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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.