ES09 TEST

Approximately what percentage of Earth’s water is fresh water?

• 97 percent

• 71 percent

• 30 percent

• 3 percent

Water that fills the cracks and spaces in underground soil and rock layers is called _____.

• salt water

• rainwater

• groundwater

• water vapor

Wetlands provide habitats for many living things because of their sheltered waters and _____.

• large supply of nutrients

• thick layer of mud

• lack of insects

• ability to prevent floods

Wetlands provide habitats for many living things because of their sheltered waters and _____.

• large supply of nutrients

• thick layer of mud

• lack of insects

• ability to prevent floods

The three major steps of the water cycle are _____.

• evaporation, abrasion, and precipitation

• irrigation, precipitation, and conservation

• evaporation, condensation, and precipitation

• saturation, evaporation, and liquification

The horizontal distance between wave crests is the _____.

• frequency

• wavelength

• trough

• wave height

Salinity is a measure of _____ in water.

• carbon dioxide

• oxygen

• dissolved salts

• sand

In which zone is ocean temperature most affected by the weather?

• transition zone

• deep zone

• surface zone

• polar zone

In the Northern Hemisphere, currents curve to the right because of the _____.

• longshore drift

• density

• Coriolis effect

• moon’s gravity

Seawater is typically denser than freshwater due to seawater’s —

• Greater depth
• Lower freezing point
• Smaller mass
• Higher salinity