What is the primary component of air?

• Nitrogen and oxygen

• Ammonia and nitrous oxide

• Carbon dioxide and methane

• Sulfur dioxide and argon

What causes air pollution?

• Only human activities like industrial work

• Only natural sources like volcanoes

• Both visible and invisible particles not part of air's normal composition

• Pure oxygen in excessive amounts

Tags

NGSS.MS-ESS3-4

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

• Power plants

• Forest fires

• Cars

• Factories

What forms when carbon dioxide and water vapor react?

• Ozone

• Nitrous oxide

• Carbonic acid

• Methane

Tags

NGSS.MS-PS1-5

What is a major health problem caused by high concentrations of ozone near the Earth's surface?

• Improved respiratory function

• Increased oxygen levels in the atmosphere

• Protection against UV radiation

• Serious health problems on sunny, summer days

Which pollutant is known to cause headaches and reduced mental alertness?

• Nitrogen oxides (NOx)

• Lead (Pb)

• Carbon monoxide (CO)

• Sulfur dioxide (SO2)

What is the effect of particulate matter on human health?

• Improves lung function

• Aggravates lung and cardiovascular diseases

• Increases resistance to respiratory infections

• Enhances body's defense systems

Which indoor pollutant is a potential carcinogen released from synthetic glues in wood products?

• Benzene

• Formaldehyde

• Carbon monoxide

• Radon gas

Tags

NGSS.MS-ESS3-3

NGSS.MS-PS1-3

What is the primary route through which air pollutants enter the body?

• Through the skin

• Through the lungs

• Through ingestion

• Through osmosis

Tags

NGSS.MS-ESS3-4

Which of the following pollutants primarily comes from motor vehicles and can permanently bind to hemoglobin?

• Sulfur dioxide

• Lead

• Ozone

• Carbon monoxide