Which are most responsible for creating acid rain pollution? A nuclear power plants B coal-burning power plants C hydroelectric power plants D wood-burning power plants

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

If an atom has 12 protons and 13 neutrons

Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?