Quiz_1.5 Humans & Pollution

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17. Which of the following pairs are both examples of recycling? *

1 point

Manufacturing new aluminium cans from old ones; biodegradation of plastic bags

Processing newspapers into toilet paper; breaking down of raw sewage in the oceans

Converting used car tires to rubberized road surfaces; producing compost from organic waste

Producing methane from landfill sites; incinerating plastics

18. All of the following are examples of pollution except… *

1 point

inorganic chemicals.

heat.

color.

organic chemicals

sound.

19. A giant oil tanker that has run aground and starts leaking barrels of crude oil into the open ocean is an example of *

1 point

primary source pollution.

point source pollution.

indirect source pollution.

non-point source pollution.

secondary source pollution.

20. A giant oil tanker that has run aground and starts leaking barrels of crude oil into the open ocean is an example of *

1 point

a vicious cycle.

a breach of regulation.

chronic pollution.

acute pollution.

21. Acid rain results from car and factory exhaust fumes that rise up into the atmosphere, combine with water to form acids, and then rain back down to pollute water and soil as shown in the diagram below. In this picture, sulfur and nitrogen are…. *

1 point

primary pollutants.

point pollutants.

indirect pollutants.

non-point pollutants.

secondary pollutants.

22. Acid rain results from car and factory exhaust fumes that rise up into the atmosphere, combine with water to form acids, and then rain back down to pollute water and soil as shown in the diagram below. Acid rain is an example of a... *

1 point

primary pollutant.

point pollutant.

indirect pollutant.

non-point pollutant.

secondary pollutant.

23. Which of the following steps in the pollution management figure below is easiest to implement? *

1 point

Altering human activity.

Controlling release of the pollutant.

Clean up and restoration of damaged systems.

24. Which of the following steps in the pollution management figure below do the three R's - REDUCE, Reuse, recycle - belong to? *

1 point

Altering human activity.

Controlling release of the pollutant.

Clean up and restoration of damaged systems.

25. Runoff from agricultural land can result in excess nutrients entering water bodies. Which of the following is an example of a direct measurement of this effect? *

1 point

Measuring the increase in area of algal growth of the water body over time.

Performing an experiment to measure the biological oxygen demand (BOD-5) at five locations.

Measuring the turbidity of the water column.

Filtering the runoff before it enters the water body with a buffer zone.

26. The discharge pipe for a local sewage treatment plant can result in excess nutrients entering a local river. Which of the following would be a viable method for determining this effect? *

1 point

Measuring the increase in area of algal growth of the river over time.

Performing an experiment to measure the biological oxygen demand (BOD-5) at five different locations.

Measuring the turbidity of the water column.

Filtering the discharge pipe with another treatment before it enters the river.

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