5 Earth's Interactive Systems Quiz

What percentage of Earth's water is freshwater?

• 97%

• 3%

• 50%

Which of the following is a large sheet of ice that moves slowly across the land?

• Glacier

• Reservoir

• Groundwater

Where is most of Earth's freshwater stored?

• Oceans

• Glaciers and ice caps

• Rivers

What is an artificial lake built for water storage called?

• Glacier

• Reservoir

• Ice cap

Which of the following is NOT a source of freshwater?

• Groundwater

• Oceans

• Rivers

What causes acid rain?

• Burning fossil fuels

• Planting trees

• Solar energy

What is a harmful rapid increase in algae called?

• Acid rain

• Algal bloom

• Deforestation

Which human activity contributes to water pollution?

• Recycling

• Using plastic bags

• Planting trees

How can communities protect water resources?

• Increase deforestation

• Reduce, reuse, and recycle

• Use more fossil fuels

What is the main cause of algal blooms?

• Excess sunlight

• Excess nutrients in water

• Acid rain