Which statement is true of AC current?
O A
It uses a battery as a power source.
O B.
It can easily be transformed from high voltages to low voltages.
OC. It is typically low voltage.
the electrons are moving in one direction
D.
E.
It was the first type of electric current invented.
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Ineed with these last two questions: 1) what are two types of cold air masses that influence the weather in north america? name them and describe their humidity. 2) describe the motion of a cold air mass and a warm air mass and the weather you would expect at a warm front and an occluded front.

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