A very long note on what age human beings stop growing

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone

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.

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?