The Water Cycle Answers

Why does the government not do more to regulate nonpoint source pollution?a.Nonpoint source pollution is less harmful to the environment, so it does not need to be regulated.b.Point source pollution is more common than nonpoint source pollution, so it is more regulated.c.Nonpoint source pollution is caused solely by animals, which are not possible to regulate.d.Nonpoint source pollution is difficult to regulate, because its source is difficult to track.

Aquifers are _______.a.structures used to transport water from city to cityb.created through evapotranspirationc.densely packed snow close to becoming glaciersd.layers of porous rock or sand

Why is nonpoint source pollution potentially more harmful than point source pollution?a.Nonpoint source pollution disrupts the water cycle.b.Nonpoint source pollution is difficult to regulate.c.Nonpoint source pollution comes from more than one source.d.Nonpoint source pollution is more damaging to living organisms than point source pollution.

Where is water stored?a.cloudsb.the groundc.animalsd.all of the above

The water on the Earth today has been sustaining life for millions of years.

What role do aquifers play in the water cycle? a. They store water in the ground. b. They transfer water to the air. c. They are the main source of water on Earth. d. They move water through capillarity. Please select the best answer from the choices provided

How does water enter the atmosphere? a. Liquid water evaporates from lakes when heated by the sun. b. Frozen water sublimates from ice and snow. c. Liquid water is lost from tree leaves during evapotranspiration. d. All of the above. Please select the best answer from the choices provided

How much of the Earth’s water is usable as a freshwater resource?a.75%b.3%c.100%d.25%

Which of the following contributes to nonpoint source pollution in water?a.automobilesb.oil refineriesc.paper millsd.water treatment plants

What happens to water in the atmosphere as it rises?a.It evaporates.b.It condenses and forms clouds.c.It combines with other gases in the air.d.It is used up.