A Country's Ecological Footprint Can Be Calculated by Multiplying Its

A country's ecological footprint can be calculated by multiplying its population size by the footprint of each individual.Why are some ecologists concerned about the ecological footprint of a country like India?

A) Its population is increasing.
B) Its standard of living is increasing.
C) Both its population and standard of living are increasing.
D) Its population and land area are increasing.
E) Its standard of living and land area are increasing.