Environmental Science Pollution and Waste

Question 1

Which U.S. federal law governs the cleanup of contaminated hazardous waste sites?

Accepted Answer

CERCLA (Superfund)

Answer

Clean Water Act

Answer

RCRA

Answer

TSCA

Question 2

What is the primary greenhouse gas emitted by human activities?

Accepted Answer

Carbon dioxide (CO₂)

Answer

Methane (CH₄)

Answer

Nitrous oxide (N₂O)

Answer

Water vapor (H₂O)

Question 3

Which type of pollution involves the introduction of harmful chemicals into water bodies through agricultural runoff?

Accepted Answer

Nonpoint source pollution

Answer

Point source pollution

Answer

Thermal pollution

Answer

Noise pollution

Question 4

What term describes the increase in concentration of a pollutant as it moves up the food chain?

Accepted Answer

Biomagnification

Answer

Bioaccumulation

Answer

Bioconcentration

Answer

Biodegradation

Question 5

Which class of air pollutants is regulated under the U.S. Clean Air Act as the six common air pollutants?

Accepted Answer

Criteria air pollutants

Answer

Toxic air pollutants

Answer

Volatile organic compounds

Answer

Persistent organic pollutants

Question 6

Acid rain is primarily caused by atmospheric reactions involving which two gases?

Accepted Answer

SO₂ and NOₓ

Answer

CO₂ and CH₄

Answer

O₃ and CO

Answer

HFCs and PFCs