Explanation:
It evaporates from the earth surface, condenses into clouds, and falls back to earth as rain or snow.
<span>During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber, the intake and exhaust valves will both be closed. This means that the mixture of fuel and air are compressed, due to the seal around the combustion chamber that has been created by the closure of both of these valves. Hopefully that answered your question for you!</span>
Im prerty sure it has something to do with the enconomy in the Usa
11.86 Earth years or once every 4,330.6 Earth days
The answer is C. Hope this helped