A farmer is planning to grow genetically modified corn on his land that has no irrigation and limited rainfall. Which
genetic modification would best help this farmer grow crops?
-a protein from potatoes that can make crops drought-tolerant
-an enzyme from peanuts that can make the skins of some foods tougher
-a protein from spinach that helps vegetables photosynthesize the sun's energy more efficiently
-an enzyme from oak trees that helps plants produce more seeds