ENV Pollution Test

Which of the following is an example of non-point source pollution?

• runoff

• sewage discharge

• oil well spill

• factory drain

Tags

NGSS.MS-ESS3-3

What is the most dangerous type of pollutant?

• nutrients

• pathogens

• sediments

• chemicals

Answer explanation

Pathogens are disease-causing bacteria that can make people sick.

If the BOD (biochemical oxygen demand) of a water source increases, then the DO (dissolved oxygen) will...

• they have no relation

• increase

• decrease

• stay the same

Tags

NGSS.MS-LS2-3

What is so dangerous about the hypoxic zone in the Gulf?

• there is no light

• there is excess oxygen

• there is no oxygen

• there are a bunch of sharks

Tags

NGSS.MS-LS2-3

Which law was created to combat water pollution?

• The Clean Water Act

• The Anti-Water Pollution Act

• The Montreal Protocol

• The Non-Point Source Pollution Act

A term used to describe the increased concentration of a pollutant moving up the food chain is...

• Biological eutrophication

• nutrient pollution

• food web pollution

• bioaccumulation

Tags

NGSS.HS-LS4-5

Does wastewater treatment include stormwater?

• Yes

• No

The stage of wastewater treatment that removes large solids, grit and oils.

• Preliminary

• Primary

• Secondary

• Tertiary

The stage of wastewater treatment that removes organic matter.

• Preliminary

• Primary

• Secondary

• Tertiary

The stage of wastewater treatment that removes suspended solids.

• Preliminary

• Primary

• Secondary

• Tertiary