C2 Env

What is the definition of pollution?

• D. The creation of matter or energy that has no impact on the environment

• C. The preservation of matter or energy in the environment for humans and other organisms

• B. The removal of matter or energy that improves the environment for humans and other organisms

• A. The addition of matter or energy that degrades the environment for humans and other organisms

Which of the following is NOT a primary air pollutant?

• D. Particulate matter

• C. Sulfuric acid

• B. Volatile organic compounds

• A. Carbon monoxide

What are the criteria air pollutants according to the U.S. Environmental Protection Agency?

• A. CO, O3, SO2, PM, NO2, Pb

• B. CO, O3, NO2, PM, VOCs, Pb

• C. CO, O3, SO2, PM, CO2, Pb

• D. CO, O3, NO2, PM, SO2, Pb

Which air pollutant is produced when sulfur-containing fossil fuels are burned?

• D. Ozone

• A. Carbon monoxide

• B. Nitrogen dioxide

• C. Sulfur dioxide

What is the main source of lead emissions in the environment?

• B. Industrial processes

• D. Automobile engines

• A. Gasoline additives

• C. Paints

What is the primary molecule produced in the burning of fossil fuels that leads to the formation of nitrogen dioxide?

• A. Nitrogen monoxide

• B. Nitrogen dioxide

• D. Carbon monoxide

• C. Oxygen

Which air pollutant is a major component of photochemical smog?

• B. Sulfur dioxide

• D. Tropospheric ozone

• A. Carbon monoxide

• C. Nitrogen dioxide

What does the Pollutant Standards Index (PSI) provide information about?

• B. Monthly levels of air pollution

• D. Hourly levels of air pollution

• A. Daily levels of air pollution

• C. Yearly levels of air pollution

What is the purpose of the Air Pollutant Index (API) in Malaysia?

• C. To measure air pollution

• A. To measure water pollution

• D. To measure noise pollution

• B. To measure soil pollution

Which of the following is NOT a limitation of the PSI and API?

• D. Do not account for possible synergistic effects of different pollutants

• C. Always correspond to actual values at the time of announcement

• B. Do not consider chronic effects over months or years

• A. Emphasize short-term acute health effects