UV Light and the Ozone

The ozone layer is found in the

• A. Mesosphere

• B. Stratosphere

• C. Troposphere

• D. None of the above

Which of the following artificial materials is responsible for ozone layer depletion?

• A. Chlorofluorocarbon (CFCs)

• B. Formalin

• C. Polyvinylchloride (PVC)

• D. BiPolymers

What is the primary risk associated with extreme UV rays through the atmosphere because of ozone layer depletion

• Brain Hamerage

• Liver Damage

• Skin Cancer

• None of the above

The ozone layer stops most of the harmful _____ from hitting Earth.

• A. CFCs

• B. Carbon dioxide gas

• C. chlorofluorocarbons

• D. UV rays

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What is the molecular formula of ozone?

• A. O₂

• B. O₃

• C. O₄

• D. 2O₂

What happens to form ozone gas?

• A. Chlorine molecules interact with the UV rays from the Sun.

• B. Oxygen and chlorine molecules produce a gas.

• C. Oxygen molecules interact with the UV rays from the Sun.

• D. Carbon molecules interact with the UV rays from the Sun.

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What are "holes" in the ozone layer?

• A. places where the ozone concentrations are higher than under normal conditions, allowing more UV radiation to reach the Earth's surface.

• B. places where the ozone concentrations are higher than under normal conditions, allowing less UV radiation to reach the Earth's surface.

• C. places where the ozone concentrations are lower than under normal conditions, allowing more UV radiation to reach the Earth's surface.

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Engineers are not working on new technologies to help save the ozone and stop its destruction by CFCs.

• true

• false

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.....................are pollutants released into the air.

• Emissions

• Ozone molecules

• Wastes

• Acid rains

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The ozone layer is a consequence of _________________

• Biochemical reactions

• Chemical reactions

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