Air Pollution review

Which pH is the most acidic?

• 1
• 6
• 7
• 9
• 12

What are the 3 most abundant gasses in the atmosphere? (Select 3)

• Argon
• Carbon Dioxide
• Oxygen
• Ozone
• Nitrogen

How many oxygen molecules make up ozone?

• 1
• 2
• 3

Does the United States have relatively good air quality?

• Yes
• No

Worldwide, good air quality can be associated with...

• Higher income
• Larger population
• Higher Lattitudes
• Higher Altitudes

Which region can be largely associated with poor air quality? (Select the best answer)

• Africa
• Europe
• Asia
• Oceana

Like CFCs can be associated with ozone depletion, sulfur and nitrogen oxides can be associated with....

• Acid Rain
• Ground-level Ozone
• Smog
• Vehicle emissions

How many miles above the Earth's surface does the troposphere reach (on average)

• 1 miles
• 5 miles
• 7 miles
• 13 miles
• 24 miles

Where is the troposphere warmest?

• At the top
• In the middle
• At the bottom

Most aerosols come from...

• Natural Sources
• Anthropogenic Sources