What is the conclusion of careful studies regarding the relationship between environmental policies on the one hand, and jobs and the economy on the other hand

What does the word submerged mean in the following sentence? after it rained for three days in a row, the streets were completely submerged.

Combine like terms. do not forget to use the distributive property to simplify the first term. 2(3y + 5k) - 2k

Me plzzz what is the ratio of water than falls on land as compared to the amount that falls onto the oceans? what role do clouds play in regulating earth’s energy balance? me plzzz