Answer:
Stream gradient refers to the slope of the stream's channel .It is the vertical drop of the stream over a horizontal distance.
Explanation:
Gradient is the slope or steepness of a stream channel. It affects the stream's velocity because the steeper the gradient is the greater the velocity due to gravity.
In case of drastic emergency or fallout if the us were to stand alone it would need supplies it could get on its own
Basalt is the main mineral that the oceanic plates are made up of.
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