HELP RIGHT NOW PLZ

Which is true of the regious near earth equator

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

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?