C. 10 m/s
You divide 1000 m by 100 s.
1000/100 to find the velocity
Precipitation from the sky to the earth can come in several forms. Four types are:
1) Rain
2) Snow
3) Sleet (think of a more liquidity slushy snow)
4) Hail (pretty much solid chunks of ice)
Paramecium<span> can be found in aquatic environments, usually in stagnant, warm water.</span>
B. truthfully it's the only one that makes sense