Hydrosphere EOG review

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

• more aquatic life
• less nutrients in the water
• higher water temperatures
• fewer nitrates

Which best determines the health of a lake used as a source of freshwater?

• its depth and width
• its temperature and pH
• its location and depth
• its temperature and depth

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

• because it forms where fresh and salt water meet
• because it receives water directly from precipitation
• because it rises to the surface near the ocean
• because 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 has high turbidity levels, what can most likely 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 describes the characteristics of a river basin?

• the land drained by a river and its 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 can have the greatest effect on the health of a river system?

• type of soil and salinity
• nitrate levels and turbidity
• human consumption and pH
• natural disasters and tidal changes

In the United States, which is responsible for ensuring the safety of the country’s drinking water?

• Environmental Protection Agency (EPA)
• Food and Drug Administration (FDA)
• National Oceanic and Atmospheric Administration (NOAA)
• Center for Disease Control (CDC)