Intro Air Pollution

What is air pollution?

• Anything in the atmosphere that is beneficial to humans

• Anything in the atmosphere that is harmful to humans or the environment

• Only pollution found in water bodies

• Pollution that occurs only in rural areas

Where does air pollution generally occur?

• In the stratosphere

• In the mesosphere

• In the troposphere

• In the exosphere

Which of the following is a source of primary pollutants?

• Ocean waves

• Smokestack of a power plant

• Forest fires

• Soil erosion

What are secondary pollutants?

• Pollutants that are emitted directly from a source

• Pollutants that form when primary pollutants react in the atmosphere

• Pollutants that are only natural

• Pollutants that are only man-made

What is an example of a secondary pollutant?

• Volcanic ash

• Ground level ozone

• Pollen

• NOₓ

Which of the following is a secondary pollutant?

• NOₓ

• SO₂

• Acid rain

• CO₂

Which of the following is a natural source of primary pollutants?

• Exhaust pipe of a car

• Power plant

• Volcanic ash

• Photochemical smog

What are air pollutants likely to come in contact with, causing irritation?

• Skin

• Eyes, nose, and throat

• Hair

• Ears

What do Nitrogen oxides (NOₓ) contribute to?

• Global warming

• Photochemical smog

• Ozone layer depletion

• Water pollution

Tags

NGSS.HS-ESS3-4

What are particulates?

• Large solid particles

• Small fine solid or liquid particles

• Gaseous pollutants

• Liquid pollutants only