Which option identifies ways that people positively affect Earth’s resources?

(A) use cars that emit fewer harmful gases, build dams, and stop using all resources
(B) stop using all resources, increase mining efforts, and halt the runoff of factory waste into rivers and streams
(C) build dams, use cars that emit fewer harmful gases, and halt the runoff of factory waste into rivers and streams
(D) increase mining efforts, build dams, and use cars that emit fewer harmful gases