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Correct Answer: A) Loss of habitats and biodiversity.
Correct Answer: C) Use water, electricity, and gas conservatively and recycle metal, paper, and glass.
Correct Answer: C) Increases, less.
Correct Answer: A) Rising human population.
Correct Answer: A) Carbon dioxide, methane and water vapour.
Correct Answer: B) Carbon Dioxide.
Correct Answer: B) Conservation.
Correct Answer: D) Ozone layer.
Correct Answer: A) The use of chlorofluorocarbons in refrigeration.
Correct Answer: D) A forest with many different types of trees and animals.
Correct Answer: E) All of the above.
Correct Answer: A) Doing so may create jobs.
Correct Answer: B) Species preservation.
Correct Answer: B) Global warming.
Correct Answer: C) Mechanized Agriculture.
Correct Answer: B) Air pollution.
Correct Answer: B) Habitat destruction.
Correct Answer: C) Air.
Correct Answer: D) Converting waste materials into new materials and objects.
Correct Answer: A) It could melt the sea ice which would impact their food supply.
Correct Answer: C) CO$_{2}$.
Correct Answer: C) Plant a tree each time one is cut down.
Correct Answer: D) Biodiversity helps an ecosystem survive impacts such as natural disasters or human impact.
Correct Answer: A) Compete with native species for resources.
Correct Answer: D) Fossil fuels.