How can pesticide use be harmful to human agriculture? a. the loss of beneficial microfauna can reduce soil productivity. b. pesticides eliminate harmful insect pests. c. pesticides target the elimination of beneficial soil microflora. d. the use of pesticides kills all soil microflora and microfauna.

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d

Which entry is in the wrong position in the table?

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)