Hydrosphere E.1

Which would most likely increase the amount of water available for local use?

• increased evaporation

• Decreased evaporation

• increase transpiration

Which would greatly reduce local water availability?

• flood

• drought

• hurricane

Which is Earth’s largest source of drinkable water?

• Lakes

• rivers

• aquifers

Which will most likely result if there is increased upwelling in a coastal area?

• more aquatic life

• less nutrients

• higher temperatures

In which oceanic zone do clams and crabs survive by burrowing in the sand?

• oceanic

• intertidal

• open ocean

Which best describes the source of oxygen in ocean water?

• Oxygen is produced by marine plants in the process of making food.

• Oxygen is produced through the exhalations of marine animals.

• Oxygen is produced through precipitation falling on the ocean.

Which technology has allowed scientists to accurately map the ocean floor?

• sonar

• scubba

• satellites

Which effect does fertilizer runoff have on North Carolina lakes and streams?

• The fertilizer causes algae to thrive in the beginning, but hurts the water system in end.

• The fertilizer causes the water to become hotter, killing certain fish.

• The fertilizer causes fish to become sterile, preventing them from spawning.

If a pond is located in an area with significant amounts of air pollution, which health measure would be most directly affected?

• pH

• nitrates

• turbidity

Which water quality indicator can be determined by measuring how light travels through cloudy water?

• Turbidity

• Temperature

• Dissolved Oxygen