Which of the following is an example of a learned behavior? A. A bird feeding its young B. Human toddlers walking C. A child recoiling from a hot stove D. Squirrels opening nuts Please select the best answer from the choices provided A B C D.

Draw the farm's ppf for corn and beef. draw a point that shows an inefficient combination of corn and beef. label ita. draw a point that shows an unattainable combination of corn and beef. label itb. draw a point that shows an efficient combination of corn and beef. label itc.