Salt is made in in the water the seaweeds have slat on them of you let the seaweeds dry you can see the salt on them.
Because the atoms and molecules all have different properties
Explanation:
Artificial gravity can be created using a centripetal force. A centripetal force directed towards the center of the turn is required for any object to move in a circular path. In the context of a rotating space station it is the normal force provided by the spacecraft's hull that acts as centripetal force.
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Mechanical advantage is a quantity that measures how much a machine multiplies force or distance.
