Understanding Environmental Pollution

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Questions and Answers

Which of the following is an example of a primary air pollutant?

  • PAN (Peroxy Acetyl Nitrate)
  • Sulphur trioxide
  • Particulate matter such as soil particles (correct)
  • Ozone

What is the definition of pollution?

  • The presence of any foreign substances in the environment
  • Introduction of contaminants into the natural environment causing adverse change (correct)
  • The release of energy, such as noise, heat or light into the environment
  • The occurrence of high levels of gases, solids, or liquids in the atmosphere

Which type of pollution is said to exist if the levels of gases, solids, or liquids present in the atmosphere are high enough to harm humans, other organisms, or materials?

  • Noise pollution
  • Water pollution
  • Soil pollution
  • Air pollution (correct)

Which of the following is an example of a secondary air pollutant?

<p>$SO_3$ (Sulphur trioxide) (B)</p> Signup and view all the answers

What are examples of harmful chemicals that are released directly from a source into the atmosphere?

<p>$Pb$ (Lead) (D)</p> Signup and view all the answers

Which of the following is an example of a primary air pollutant?

<p>Sulphur dioxide (D)</p> Signup and view all the answers

What are examples of harmful chemicals that are released directly from a source into the atmosphere?

<p>Sulphur dioxide and Oxides of carbon (B)</p> Signup and view all the answers

What is an example of a secondary air pollutant?

<p>Ozone (B)</p> Signup and view all the answers

What type of pollution is said to exist if the levels of gases, solids, or liquids present in the atmosphere are high enough to harm humans, other organisms, or materials?

<p>Air Pollution (B)</p> Signup and view all the answers

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