Environmental Issues

Ozone is made up of __________________ oxygen atoms.

• 3

• 2

• 1

• 5

Bad or Hazardous ozone is found in the _______________________________.

• troposphere

• stratosphere

• mesosphere

• thermosphere

The majority of air pollution comes from __________________.

• burning fossil fuels
• particulate matter

example of natural air pollution

• Volcanic gas emssions

• forest fires

• pesticides

• car gas emissions

A mixture of dust, acids, and other chemicals that can be hazardous to human health...

• acid raind

• particulate matter

• photochemical smog

• global warming

Which area is most likely to have the highest level of smog?

• mountains

• salt water marshes

• urban areas

• deserts

Global warming is due to 

• Greenhouse gases
• Nitric and sulfuric acids
• CFCs
• Ozone depletion

Greenhouses gases

• Absorb and radiate heat
• Destroy the ozone layer
• Cause respiratory problems
• Create smog

The ozone layer is damaged by

• CFCs
• Increase in greenhouse gases
• Increased global temperatures
• Sulfuric and nitric acids

The ozone layer protects us from

• UV rays
• CFCs
• Increased atmospheric heat
• Decreased atmospheric heat