Which activities occur during prophase ii? check all that apply. a. dna condenses to form chromosomes. b. each chromosome pairs up with its mate. c. spindle fibers form. d. chromosomes move to the opposite end of the cell. e. the nuclear envelope disappears.

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.