A protostar reaches equilibrium when gravity is balanced by the outward force of nuclear fusion.
Amplitude is a measurement of the magnitude of displacement (or maximum disturbance) of a medium from its resting state, as diagramed in the peak deviation example below (it can also be a measurement of an electrical signal's increased or decreased strength above or below a nominal state).
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It is important because it carries useful energy through your house that you can use for a variety of tasks.
Explanation:
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Answer:
Current- the flow of free charges, such as electrons and ions
Drift velocity- the average speed at which these charges move
I think it’s going to be the 2nd one
