Question

The impact of a person or community on the environment, expressed as the amount of land required to sustain their use of natural resources is known as
1. Environmental imbalance
2. Climate change
3. Global warming
4. Ecological footprint

Answer 1

Correct Answer - Option 4 : Ecological footprint

The correct answer is Ecological footprint.

• An ecological footprint is the impact of a person or community on the environment, expressed as the amount of land and sea required to support their use of natural resources.
  • It is a measure of the demand for natural resources in relation to the earth's ability to restore or replenish the resources consumed. 

• Environmental imbalance 
  • It is when a natural or human-caused disturbance disrupts the natural balance of an ecosystem.
  • A disturbance is any change that causes a disruption in the balance of an ecosystem.
    • Examples of natural disturbances are. Volcanic eruptions. Floods.
• Global warming
  • It is the long-term heating of Earth's climate system observed since the pre-industrial period (between 1850 and 1900) due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth's atmosphere.