Which two statements describe advantages of genetically engineered crops?
A. Crops that are harmful to insect pests can also decrease
populations of helpful insects.
B. Crops can be engineered to have traits that give them better food
quality.
C. Crops can be grown without using chemical pesticides if they are
resistant to insect pests.
D. Pollen that spreads from crop plants to closely related wild plants
can destroy wild populations.