One week, Stan buys a dozen carrots from the supermarket. The next week, he buys a dozen carrots that were raised by a local farmer. Stan concludes that his second purchase caused the lesser increase in his ecological footprint. Which statement, if true, supports this conclusion? Assume that the size of the carrots is the same in both purchases.

explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

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.