Traveling against currents usually takes longer. Kinda like walking against the wind, you feel the heaviness against your jacket as you push through it. Where when you walking with the wind, it kind of gives your a push. Same for with currents.
Light is a form of energy.
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Answer:
B
Explanation:
because atoms make up an element.
A horizontal line on a speed/time graph means a constant speed.
the sun was stationary in the center of the universe and the earth revolved around it....
