Hydrosphere Pre-Check

What occurs as colder, nutrient-rich water is brought to the surface?

• upwelling

• salinity

• eutrophication

• potability

What is a measure of how suitable water may be for drinking?

• turbidity

• potability

• upwelling

• salinity

What occurs when water may have too many nutrients?

• chemosynthesis

• salinity

• eutrophication

• potability

What is a measure of the amount of salt in a solution?

• turbidity

• potability

• upwelling

• salinity

Which is a technology type used to explore deep ocean?

• WHO

• ROV

• ocean trench

• EPA

What percentage of freshwater is unavailable for human use?

• 2%

• 88%

• 77%

• 97%

Which ocean environment relies on algae to act as producers?

• intertidal zone

• estuary

• open ocean

• deep ocean

What ocean environment changes the most?

• intertidal zone

• river basin

• open ocean

• deep ocean

Which ocean environment does not receive sunlight?

• intertidal zone

• estuary

• open ocean

• deep ocean

Which process uses oxygen?

• respiration

• photosynthesis

• chemosynthesis

• upwelling