A gardener has treated her garden with herbicide for several growing seasons and finds weeds are present after applying herbicide for the current growing season. Which best explains the presence of the weeds? (3 points)
A.) High precipitation has diluted the herbicide.
B.) The herbicide is expired and is less potent.
C.) The weeds are resistant to the herbicide.
D.) There is too much moisture in the soil.
Which of the following identifies a problem associated with pesticide use? (3 points)
A.) Crop yield decreases
B.) Costs decrease for farmers
C.) Pesticides pollute the environment
D.) Only the targeted pests are affected
