If Planet Y orbits the Sun but does not rotate on its axis at all, how long would a day be on Planet Y? A. day would be shorter than a year.
B. day would be exactly the same as a year.
C. day would be longer than a year.
D. day would be infinitely long.

b

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.