|Consider the following statements regarding ecological footprint, which is now widely used around the Earth as an indicator of environmental sustainability?|
|1. Ecological footprint measures human consumption of natural resources in comparison to Earth ecological capacity to regenerate them.|
|2. Per capita ecological footprint or ecological footprint analysis is a means of comparing consumption and lifestyles and checking this against nature's ability to provide for this consumption.|
|3. There have been differences in the methodology used by various ecological footprint studies.|
|Select the correct answer using the codes given below.|
A) 1 and 2
B) Only 3
C) 2 and 3
D) All of these
Correct Answer: D
Solution :[d] All the three statements are correct so, answer [d] is right, Ecological footprint represents the amount of biological productive land and sea area necessary to supply the resources, a human population consumes and to assimilate associated waste. Methodology include how sea area should be counted, how to account for fossil fuels, how to account for nuclear power consider it to have the same ecological footprint as fossil fuels.
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