Chemistry of the Air

What are the main components of the Earth's atmosphere?

• methane, water vapor, sulfur dioxide, ozone

• helium, neon, krypton, xenon

• nitrogen, oxygen, argon, carbon dioxide

• hydrogen, helium, nitrogen, oxygen

Which gas is the most abundant in the Earth's atmosphere?

• Oxygen

• Helium

• Carbon Dioxide

• Nitrogen

What are greenhouse gases and how do they contribute to global warming?

• Greenhouse gases cool the Earth's atmosphere, reducing global warming.

• Greenhouse gases have no impact on the Earth's atmosphere.

• Greenhouse gases only trap cold air in the Earth's atmosphere.

• Greenhouse gases trap heat in the Earth's atmosphere, contributing to global warming.

Name two greenhouse gases

• Oxygen (O2) and nitrogen (N2)

• Carbon dioxide (CO2) and methane (CH4)

• Nitrous oxide (N2O) and carbon monoxide (CO)

• Water vapor (H2O) and sulfur dioxide (SO2)

What are the primary sources of air pollutants?

• Agricultural activities

• Space exploration

• Household cleaning products

• Industrial processes, vehicle emissions, and natural sources

How do air pollutants affect human health?

• Air pollutants can cause respiratory problems, cardiovascular diseases, and other health issues.

• Air pollutants have no impact on human health

• Air pollutants only affect plants, not humans

• Air pollutants can improve human health

Name one air pollutant that is a result of incomplete combustion.

• Nitrogen dioxide

• Sulfur dioxide

• Ozone

• Carbon monoxide

How does the ozone layer protect the Earth from harmful UV radiation?

• Reflecting UV radiation back into space

• Creating a barrier to prevent UV radiation from entering the atmosphere

• Absorbing and blocking UV radiation

• Attracting UV radiation away from the Earth's surface

What are the major human activities that contribute to air pollution?

• Agriculture, construction, and mining

• Commercial fishing, tourism, and urbanization

• Household cooking, waste burning, and deforestation

• Transportation, industrial processes, and energy production

hydrocarbon + oxygen undergoes complete combustion to make...

• carbon monoxide and water

• carbon and water

• water and hydrogen

• Carbon dioxide and water