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Which process on the early Earth first released most of the water that would eventually make the oceans?
Cold water sinks
rocks on land that are eroded by running water
volcanic activity
poles
less than 0.5%
freshwater in rivers and streams
salinity
3.5
How does ocean water temperature affect its movements?
Cold water sinks
rocks on land that are eroded by running water
volcanic activity
poles
less than 0.5%
freshwater in rivers and streams
salinity
3.5
The earth's oceans contain about _______ percent salt.
Cold water sinks
rocks on land that are eroded by running water
volcanic activity
poles
less than 0.5%
freshwater in rivers and streams
salinity
3.5
Where on Earth is ocean water the most dense?
Cold water sinks
rocks on land that are eroded by running water
volcanic activity
poles
less than 0.5%
freshwater in rivers and streams
salinity
3.5
What is the number one factor that determines the type of organisms that can live in a body of water?
Cold water sinks
rocks on land that are eroded by running water
volcanic activity
poles
less than 0.5%
freshwater in rivers and streams
salinity
3.5
How much salt is in freshwater?
Cold water sinks
rocks on land that are eroded by running water
volcanic activity
poles
less than 0.5%
freshwater in rivers and streams
salinity
3.5
What type of water is most available for human use as drinking water?
Cold water sinks
rocks on land that are eroded by running water
volcanic activity
poles
less than 0.5%
freshwater in rivers and streams
salinity
3.5
Where does the salt in salty ocean water come from?
Cold water sinks
rocks on land that are eroded by running water
volcanic activity
poles
less than 0.5%
freshwater in rivers and streams
salinity
3.5
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