What is another name for the water cycle?

Which of the following states is the smallest amount of water found?

How much of the Earth's surface is covered by water?

Humans are directly involved in the water cycle because of?

Water plays a major role in shaping the surface of the Earth, how?

Volcanoes are important in the water cycle because they release this during eruptions?

This is responsible for keeping water constantly moving in the water cycle?

What percentage of the Earth's water is saltwater, and cannot be used by people?

All of the water on Earth makes up this?

The layer of gases that surrounds the Earth is called?

An artificial or man made lake used to store water for human usage is a?

When water changes from a liquid to a gas, it is called?

An area of land that catches all of the precipitation and surface runoff in an area?

Most of the frozen water on Earth is found in?

When plants lose water through pores in their leaves?

The upper level of the groundwater is called?