Freshwater Management and Pollution M/C

What percentage of the earth's surface is covered by water?

• 91%

• 61%

• 81%

• 71%

Tags

NGSS.MS-ESS2-4

How long can a person survive without water?

• Several days

• Several years

• Several months

• Several weeks

What is the term used to describe the area of land where all the water that falls in it and drains off of it goes into the same place?

• Aquifer

• Estuary

• Water table

• Watershed

What is the term used to describe the process of enrichment of water with nutrients such as nitrates and phosphates that triggers the growth of green algae?

• Desalination

• Sedimentation

• Biomagnification

• Eutrophication

Tags

NGSS.MS-LS2-4

What is the term used to describe the entry of harmful non-biodegradable chemicals in small concentrations and their accumulation in greater concentrations in the various levels of the food chain?

• Sedimentation

• Desalination

• Eutrophication

• Biomagnification

What is the main source of water pollution that discharges water pollutants directly into the water?

• Point source

• Surface water pollution

• Groundwater pollution

• Non-Point source

What is the term used to describe the contamination of water bodies by human activities?

• Noise pollution

• Soil pollution

• Air pollution

• Water pollution

What is the term used to describe the process of recycling and reusing water to reduce water footprints?

• Water recycling

• Water desalination

• Water conservation

• Water purification

Tags

NGSS.MS-ETS1-2

What is the term used to describe the process of treating industrial effluents before discharging into rivers?

• Water conservation

• Water desalination

• Water purification

• Water recycling

What is the term used to describe the process of avoiding contamination of rivers, lakes, and ponds by washing clothes, bathing, etc.?

• Water conservation

• Water desalination

• Water recycling

• Water purification