Question

Indiscriminate exploitation of resources has led to global ecological crisis such as ______________.

• A. ozone layer depletion
• B. global warming
• C. environmental pollution
• D. all the above

Answer 1

Answer: (D)

all the above

Indiscriminate exploitation of resources has led to global ecological crises such as ozone layer depletion, global warming, and environmental pollution.

• Ozone layer depletion: Ozone a blanket of gases which protects earth from reaching of harmful UV rays from the sun. This layer is depleted due to environmental pollution caused by substances like Chlorofluorocarbons etc.
  
• Global warming: It is the heating up of earth’s surface due to some pollutants obstructing heat from escaping the earth’s surface.
  
• Environmental pollution: Any change in the normal environment which has a destructive effect on life is called environmental pollution.