1. Seawater, water that makes up the oceans and seas, covering more than 70 percent of Earth's surface. Seawater is a complex mixture of 96.5 percent water, 2.5 percent salts, and smaller amounts of other substances, including dissolved inorganic and organic materials, particulates, and a few atmospheric gases.
2. Freshwater is defined as having a low salt concentration — usually less than 1%. Plants and animals in freshwater regions are adjusted to the low salt content and would not be able to survive in areas of high salt concentration (i.e., ocean). There are different types of freshwater regions: Ponds and lakes.
3. Groundwater is water that exists underground in saturated zones beneath the land surface. The upper surface of the saturated zone is called the water table.It fills the pores and fractures in underground materials such as sand, gravel, and other rock, much the same way that water fills a sponge.
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Answer:
1. Seawater, water that makes up the oceans and seas, covering more than 70 percent of Earth's surface. Seawater is a complex mixture of 96.5 percent water, 2.5 percent salts, and smaller amounts of other substances, including dissolved inorganic and organic materials, particulates, and a few atmospheric gases.
2. Freshwater is defined as having a low salt concentration — usually less than 1%. Plants and animals in freshwater regions are adjusted to the low salt content and would not be able to survive in areas of high salt concentration (i.e., ocean). There are different types of freshwater regions: Ponds and lakes.
3. Groundwater is water that exists underground in saturated zones beneath the land surface. The upper surface of the saturated zone is called the water table.It fills the pores and fractures in underground materials such as sand, gravel, and other rock, much the same way that water fills a sponge.
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