Alexander calder's mobiles are an example of motion because it uses forces of wind and water.

explanation:

newton's third law, for every action there is an equal and opposite reaction.

b mirrors submit a iisner? e. for which optical devices does d sometimes have a positive value? o a a and b o b. a and c o c. b and d 0 d. b and cb

it is called kinetic energy

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

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