Which statement describes the environmental impact of developed countries? They have a lower rate of population growth. These countries leave the smallest ecological footprint. These countries use the least amount of the world’s freshwater supply. They have a higher rate of population growth.

b is the best answer for this question.

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.