The upper level gas that shields the earth from ultraviolet radiation is:
a. ozone
b. methane
c. carbon dioxide
d. chlorofluorocarbons
e. nitrogen
Answer: A
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Potential Environmental Impact of Gases
- The greatest effect of acid rain is on the ______ of the plants.
- The main components of acid rain are:
- Ozone is harmful at:
- A gaseous pollutant that contributes to acid rain is:
- Regenerable systems used for flue gas desulphurization:
- Hydrogen as an alternative fuel is considered ideal because:
- The greenhouse gases allow:
- Carbon dioxides is responsible for:
- Nitrogen oxides are referred collectively as:
- In order for acid rain to be formed:
- To reduce nitrogen oxides in the flue gas, the dual register burner:
- Incomplete combustion of fuel is responsible for the production of:
- The conversion of nitrogen to nitrogen oxides occurs at temperatures above: