The new moon phase occurs when the moon is positioned between the earth and the sun however postions do not always cause an eclipse (blocking) of the sun because the

A) moon orbit is tilted to the earth’s orbit
B)night side of the moon faces toward the earth
C) apparent diameter of the moon is greatest during the new-moon phase
D) new-moon phase is visible only at night

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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.