The Water Planet

How much of the earth's water is saltwater?

Freshwater is considered scarce because

The continuous movement of water through environment of the Earth is called:

when heat warms up water and turns it into water vapor (a gas) is called:

(a)  

When water vapor (gas) in the atmosphere cools and becomes liquid, this is called:

(a)  

When clouds form and water droplets become heavy, they begin to fall to the earth, this is called

(a)  

Rain is the only form of precipitation

Plants lose some of their water to the atmosphere through

(a)  

A ridge, or continuous line of high land, from which water flows in different directions is called

An area of land in which water drains into a steam system which usually leads to an ocean is called