Local winds are created by a. differences in earth's gravity b. convection cells in the atmosphere c. air moving from low pressure to high pressure d. changing temperatures above a single location only respond if you are positive your answer is correct

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?