What is the branch of the study of place names?

What is used to keep track of the gamates and possible offsprings combination

What sre the effects of hemolytic disease of a newborn

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.