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Understanding Pollutants

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Questions and Answers

What are pollutants?

Materials introduced into the environment that benefit resources

Substances that have desired effects on the environment

Energy sources that support the environment

Substances or energy introduced into the environment with undesired effects (correct)

Which of the following is a natural pollutant?

Nitrogen Oxides (NOx)

Volcanic Eruptions (correct)

Carbon Dioxide (CO2)

Particulate Matter (PM)

What distinguishes primary pollutants from secondary pollutants?

Primary pollutants have less severe effects compared to secondary pollutants

Primary pollutants are emitted directly into the environment, while secondary pollutants are formed from primary pollutants and external factors (correct)

Primary pollutants are formed from external factors, while secondary pollutants are directly emitted

Primary pollutants are man-made while secondary pollutants are natural

Which of the following is an anthropogenic pollutant?

Sulfur Dioxide (SO2) Signup and view all the answers

What is the role of greenhouse gases in the atmosphere?

They trap heat by absorbing and re-radiating infrared radiation Signup and view all the answers

Which of the following is NOT an anthropogenic pollutant?

Forest Fires Signup and view all the answers

What distinguishes natural pollutants from anthropogenic pollutants?

Natural pollutants are substances introduced into the environment naturally, while anthropogenic pollutants originate from human activities Signup and view all the answers

Which of the following is a primary pollutant?

Particulate Matter (PM) Signup and view all the answers

What category do Methane belong to?

Greenhouse Gases Signup and view all the answers

What distinguishes primary pollutants from secondary pollutants?

Primary pollutants are emitted directly into the environment, while secondary pollutants are formed from primary pollutants and external factors Signup and view all the answers