Acid rain primarily comes from compounds based on what two substances? 1-mercury and VOCs
2-carbon dioxide and methane
3-CFCs and HFCs
4-nitrogen and sulfur oxides

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.