Mr K Enviro Sci Ch 11 - Aquatic EcosWater World - Unit Test

Most of the drinkable water on earth is how old?

• hundreds of years

• thousands of years

• millions of years

• billions of years

When eutrophication is accelerated due to inorganic plant nutrients such as phosphorus and nitrogen enter the water from sewage and fertilizer runoff, it is called what?

• artificial eutrophication

• natural eutrophication

• passive eutrophication

• inorganic eutrophication

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is the government entity, "EPA"?

• Environmental Productive Agency

• Environmental Progressive Agency

• Environmental Protection Agency

• Environmental Projection Agency

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NGSS.MS-ETS1-1

NGSS.MS-LS2-5

Water evaporates at the surface as pure water ______.

• ice particles

• liquid

• vapor

• droplets

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NGSS.MS-ESS2-4

NGSS.MS-PS1-4

What percentage of the Earth is covered by water?

• 61%

• 71%

• 81%

• 91%

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NGSS.MS-ESS2-4

What percentage of all the water that covers the earth is salt water?

• 71%

• 90%

• 97%

• 99%

True or False. Most of the freshwater on earth is groundwater.

• True

• False

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NGSS.MS-ESS3-1

True or False. Water is a renewable resource.

• True

• False

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NGSS.MS-ESS2-4

A flowing network of water formed from streams and rivers is called what?

• Watershed

• River Delta

• River System

• Streams

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NGSS.MS-ESS2-4

Which part of a river system would you find a "delta"?

• the beginning, or source, of the system

• the middle part of the system where rivers converge

• the ending part of asystem where the main river diverges to a larger body of water