True or false
an alluvial fan may form where a stream flows out of a narrow mountain valley, slows down, and deposits sediment.
if false, identify the word which makes it wrong and give the appropriate word to replace it.

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?