the percent of Earth's water that is salt water

the percent of Earth's water that is fresh water (rivers, lakes, underground, ice-caps, and glaciers)

the percent of Earth's water that is frozen (ice-caps and glaciers)

the percent of Earth's water that is usable liquid form

the percent of the Earth's surface that is covered with water

water that collects above the ground in rivers, lakes, streams, ponds, and wetlands

a layer of rock underground that collects and stores water

water located below Earth's surface that collects in aquifers

water from rain and melted snow that flows over the land and collects in bodies of water

is a huge sheet of ice that moves slowly on land

is an area of land that drains into rivers or lake-sometimes called drainage basins or river basins

is the use of artificial methods to supply water to plants-mostly food crops and lawns (sprinkler systems)

borders eastern Asia, northeastern Australia, Antarctic, & western North & South America; largest & deepest ocean

borders western Europe, western Africa, Antarctica, & eastern North & South America; 1/2 the size of the Pacific (2nd largest ocean)

the third largest ocean between Africa and Australia

located in the Northern Hemisphere and mostly in the Arctic north polar region, is the smallest and shallowest of the world's five major oceanic divisions.

extends from the coast of Antarctica to 60 degrees south latitude (4th largest ocean)

All the water on or surrounding the surface of the Earth (oceans, lakes, rivers, water in the atmosphere)

The branch of geology that studies water on the earth and in the atmosphere: its distribution and uses and conservation