When is ozone thought about a pollutant? a. In the stratosphere b. In the mesosphere c. In the troposphere d. In the thermosphere

C. In the troposphere

How does the absorption of ultraviolet radiation through the ozone layer help sustain life? a. This process helps keep the temperature the the Earth. B. The keeps a low level of harmful ultraviolet radiation from getting to living organisms. C. This process keeps ozone concentrations in the troposphere at reduced levels. D. Every one of the above are true.

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D. Every one of the above are true.

Which that the complying with is an ozone depleting substance (ODS)? a. Ultraviolet radiation b. Chlorofluorocarbon (CFC) c. Biogeochemical bike d. None of the above

b. Chlorofluorocarbon (CFC)

Which that the following is a possible consequence of ozone great depletion on life organisms? a. Enhanced exposure come ground-level ozone b. Decreased levels that ultraviolet radiation in the troposphere c. Enhanced levels of ultraviolet radiation absorb in the stratosphere d. No one of the above

A. Increase exposure to ground level ozone.

Depletion to the ozone great can cause changes to the biogeochemical cycles.

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The troposphere contains 90% of the ozone in the atmosphere.


Halons save on computer halogens, which are highly reactive through oxygen


How perform chlorofluorocarbons (CFCs) add to ozone depletion? a. Chlorine atom (Cl) breaks apart the ozone molecule b. CFCs construct up and also block the filtering effects of the ozone class c. Chlorine atom (Cl) bonds to the ozone molecule and also changes its chemical properties d. Breaks off one oxygen atom (O) and also attaches it to a hydroxide ion (OH) to type water

A. Chlorine atom (CI) division apart the ozone molecule

Which that the following is a health risk associated with ground-level ozone? a. Cataracts b. Skin cancer c. Respiratory disease d. All of the above

C. Respiratory tract illness

Where room chlorofluorocarbons found? a. Coolants b. The setting c. Solvents d. Every one of the above

D. Every one of the above

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