What is the angular speed (in rev/min) of the earth as it orbits about the sun?

Aswimming pool whose volume is 10 comma 000 gal contains water that is 0.01% chlorine. starting at tequals0, city water containing 0.003% chlorine is pumped into the pool at a rate of 5 gal/min. the pool water flows out at the same rate. what is the percentage of chlorine in the pool after 1 hour? when will the pool water be 0.006% chlorine?

What is the coldest temperature ever recorded in san antonio?

The process of a material going through a change of state from a gas to a liquid