Pollution and Pollution Control

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26. What is eutrophication?

a) The excessive growth of aquatic plants due to nutrient pollution

b) The loss of soil fertility

c) The depletion of ozone layer

d) The contamination of groundwater by heavy metals

Answer: a) The excessive growth of aquatic plants due to nutrient pollution
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27. What are the effects of pollution on wildlife?

a) Decreased biodiversity

b) Improved habitat quality

c) Enhanced reproductive rates

d) Increased food availability

Answer: a) Decreased biodiversity
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28. What is the main cause of air pollution from power plants?

a) Solar energy

b) Acid rain

c) Carbon dioxide emissions

d) Wind energy

Answer: c) Carbon dioxide emissions
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29. What is an example of thermal pollution?

a) Nuclear energy

b) Solar panels

c) Ocean warming

d) Wind turbines

Answer: c) Ocean warming
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30. What is the main cause of water pollution from pesticides?

a) Deforestation

b) Agricultural practices

c) Melting glaciers

d) Household waste

Answer: b) Agricultural practices
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