Waste Water Pollution

Waste water generated from paints and dyes industries contains harmful _________

• Germs

• Chemicals

Tags

NGSS.MS-PS1-3

___________ is the wastewater containing suspended impurities

• Clarified water

• Sewage

__________ is the liquid waste that is discharged into a river or the sea

• Effluent

• Contaminants

________________ is produced by the action of bacteria on the organic matter of sludge

• LPG

• Biogas

Researchers are evaluating the waste treatment facility located on the Moose River in the northeastern United States. They are sampling the river and its tributaries at several locations, as shown on the map below. Water from which of the following locations on the map would best serve as a control group for the study?

• A

• B

• C

• D

Any change in water quality that can harm living organisms or make the water unfit for human uses such as drinking, irrigation, and recreation is called (a)   .

• Water pollution

• Point sources

• Nonpoint sources

• Wastewater

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Any change in water quality that can harm living organisms or make the water unfit for human uses such as drinking, irrigation, and recreation is called (a)  

• Water pollution

• Point sources

• Nonpoint sources

• Wastewater

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

NGSS.MS-ESS3-4

NGSS.MS-ESS3-3

Rather than pay for an oil change at the service station, Justin decides to do the job himself. He drains the used oil and antifreeze directly onto the ground in the alley beside his house. After several years, he notices there are no more frogs in the pond behind his house.

• Toxic

• Sediment

• Nutrient

• Bacterial

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

any change in water quality that can harm living organisms or make the water unfit for human uses such as drinking, irrigation, and recreation

• Water pollution

• Point sources

• Nonpoint sources

• Wastewater

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

​ blooms, caused by farm run off, can deplete a lake of dissolved ​ causing ​ zones.

• Algae

• oxygen

• dead

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4