Water Quiz

What will most likely result if there is an increased upwelling in an area?

• more aquatic life

• less nutrients in water

• higher water temperature

• fewer nitrates

What best determines the health of a lake used as freshwater?

• the depth and width

• temperature and pH

• location and depth

• temperature and depth

Why is water from an aquifer more likely to be cleaner than water from other sources?

• it forms where fresh and salt water meet

• it receives water directly from precipitation

• it rises to the surface near the ocean

• pollutants are filtered by rock and soil deep within Earth

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

• oceanic

• intertidal

• deep ocean

• open ocean

If a body of water had high turbidity levels, what can most likly be concluded?

• it has a low pH

• it is unsafe to drink

• it is too hot to drink

• it contains a lot of chemicals

Which best explains the importance of nitrogen in the cycling of energy and matter?

• nitrogen increases protein production in plants

• nitrogen decreases protein production in plants

• it decreases the effectiveness of photosynthesis

• it increases the effectiveness of photosynthesis

Which best describes a river basin?

• the land drained by a river and it's tributaries

• the land formed when rivers create estuaries and marshes

• the land at the mouth of a river where water flows into the ocean

• the land formed as a result of a river flooding

Which factors have the greatest effect on the health of a river system?

• type of soil and salinity

• nitrates and turbidity

• human consumption and pH

• natural disasters and tidal changes

In the US, who is responsible for the health of drinking water?

• EPA

• FDA

• NOAA

• CDC

Which of these is a producer in a marine ecosystem?

• fish

• gull

• algae

• worm