Earth's Water

What percent of freshwater is found in glaciers, aquifers, lakes,and rivers?

What percent of Earth's water is saltwater?

A river basin is the portion of land drained by a river.

What is one of these minerals and resources are mined from the ocean floor?

What do algae consume to make oxygen?

What percent of water covers the earth?

Surface water is the water that runs down the land.

Are the three states of water solid, liquid, and gas?