In what direction does the sinear to move across the sky

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.

Which characteristic should describe all evidence collected by a scientist? true obvious objective subjective

Which three statements represent the benefits of performing experiments using computer simulations?