2. Some water returns to the air from lakes and the oceans. This process is called: A. Evaporation B. Condensation C. Groundwater

This process is called (A) evaporation.

Evaporation is the process is where water turns into a vapor or air.

I hope this helped at all.

Ithink this is what you meant. the temperature at which a liquid begins to boil is called the boiling point. the boiling point of water is 212°f or 100°c.  and at that point will start to turn into steam (gas)