part 2 Review

Essential HS.E1U1.12 What percentage of Earth's surface is covered by water?

• 97%
• 71%
• 22%
• 3%

Essential HS.E1U1.12 What is the salinity level of freshwater?

• High
• Moderate
• Low
• Variable

Essential HS.E1U1.12 Which type of water is most abundant on Earth?

• Groundwater
• Saltwater
• Freshwater
• Icecaps

Essential HS.E1U1.12 What process involves the conversion of liquid water to gas?

• Condensation
• Precipitation
• Evaporation
• Runoff

Essential HS.E1U1.12 What is a watershed?

• A divide between rivers
• Land that drains into a river
• A river's end point
• A stream’s starting point

Essential HS.E1U1.12 What is the largest ocean on Earth?

• Arctic Ocean
• Indian Ocean
• Atlantic Ocean
• Pacific Ocean

Essential HS.E1U1.12 What is the term for warm water flowing near the ocean surface?

• Surface currents
• Deep currents
• Thermocline flow
• Confluence

Essential HS.E1U1.12 What is an aquifer?

• A large river basin
• A water purification system
• A body of rock or sediment storing groundwater
• A layer of impermeable rock

Essential HS.E1U1.12 What type of pollution comes from a specific site?

• Nonpoint source pollution
• Ocean pollution
• Point source pollution
• Thermal pollution

Essential HS.E1U1.12 What is the main cause of artificial eutrophication?

• Oil spills
• Fertilizer runoff
• Coral reef destruction
• Industrial wastewater