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
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
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
29. What is an example of thermal pollution?
a) Nuclear energy
b) Solar panels
c) Ocean warming
d) Wind turbines
Answer: c) Ocean warming
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
