Unit 7 CUA Retake Review

A carcinogen produced from radioactive decay of Uranium-28. Found naturally in some soils.

• Radon

• Lead

• Mercury

• Ozone

A protective gas in the stratosphere, but a pollutant in the troposphere.

• Ozone

• Nitrogen

• Radon

• Methane

Produced from interactions between primary air pollutants, or between primary air pollutants and other atmospheric gases.

• Primary Air Pollutants

• Secondary Air Pollutants

• Point Source Pollutants

• Non-Point Source Pollutants

Check all that are considered primary air pollutants.

• Sulfur dioxide

• Carbon dioxide

• Ozone

• Methane

This smog occurs when sunlight reacts with certain pollutants in the atmosphere.

• Temperature Smog

• Industrial Smog

• Photochemical Smog

• Acid Deposition

Which climate conditions would be best suited for the formation of photochemical smog?

• Cool, wet, cloudy

• Cool, dry, sunny

• Warm, wet, cloudy

• Warm, dry, sunny

Anything less than 7 on the pH scale is:

• Acidic

• Neutral

• Alkaline

Cool air trapped below warm air, with the possibility of trapping pollutants near the surface.

• Cold Front

• Warm Front

• Temperature Inversion

• Heat Island

Why has atmospheric carbon increased in recent history?

• Increased human population and respiration

• Increase in consumption of fossil fuels

• Rapid deforestation in some areas of the world

• A decline in the phytoplankton producer population

Why do carbon levels fluctuate seasonally?

• People drive more in the summer

• There are more heaters uses in the winter

• Coal is only burned seasonally

• Photosynthesis from plants is lessened in the winter months