Clean it up

When studying pollution which of the following elements must we consider?

• If it has been introduced into the natural environment.

• Can the it be broken down and made harmless?

• Does it make the environment healthier?

• The nature it - solid, energy or liquid.

• Only man-made substance ?

Point source pollution has a single identifiable source.

Non-point source pollution is from diffuse sources.

True or false

Which of the following definitions is NOT correct

• Primary pollutants are released directly form the source.

  Secondary pollutants form when primary pollutants react with the environment.

• Acute pollution occurs over a long time.

  Chronic pollution occurs over a short time.

• Organic pollutants are living.

  Inorganic pollutants are non-living.

• POP's do not breakdown easily in the environment.

  Biodegradable pollutants breakdown in the environment,

Which of the following is not a form of pollution?

• 
• 
• 
• 
• They are all pollutants.

Thermal power stations cause pollution. Which of the following statements is accurate?

• Nitrogen oxides cause problems with the ozone layer.

• Particulate matter improves the soil.

• Mercury makes plants shinier.

• Sulphur dioxide causes the formation of acid rain.

The pollution management model has three stages -

• educate, remediate, legislate

• remediate, educate, legislate

• legislate, remediate, educate,

• educate, legislate, remediate.

Which stage of pollution management is this?

The 3R's are at what stage of the pollution management model?

What stage is this in pollution management?

DDT was used to control which infectious disease ...................... (common in African countries)