What is the average for the following set of measurements? 27°c, 12°c, 31°c, 19°c, 23°c, 11°c, 17°c

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above