Human Effects on Water

Multiple Choice

There is plenty of accessible freshwater.

Pollution is happening, but there are not major consequences if it continues.

• true

• false

Multiple Choice

What percentage of the Earth's water is freshwater?

• 97%

• 3%

• 75%

• 50%

Multiple Choice

Water pollution is normally a result of natural processes.

• true - nothing can be done about the increase in pollution

• false - human activity greatly impacts the quality of water negatively

• true - most pollution is caused by marine life

Multiple Choice

the physical or chemical degradation of water quality that harms human and environmental health

• eutrophicaition

• water pollution

• respiration

• water conservation

Multiple Choice

The image shows a pelican that was affected by the BP oil spill in 2010.

Oil spills are an example of -

• point-source pollution

• nonpoint-source pollution

• overpopulation

• eutrophication

Multiple Choice

Pollution that is easy to identify. It comes from a single place

• estuary

• pesticides

• point-source pollution

• nonpoint-source pollution

Open Ended

What could the city have differently to reduce its environmental impact?

Multiple Choice

Which is an example of point-source pollution?

Multiple Select

What are some factors that THREATEN our water supply? (Choose 3)

• factory runoff

• carwash businesses and fertilizers

• controlled & proper disposal of factory waste

• legislation like the Clean Water Act of 1972

• the Great Pacific Garbage Patch (area of the ocean where litter, fishing gear, and other debris collects)