What do you call man-made pollutants that contribute to acid rain?

Acid rain is man made and there is more types of acid. Normal rainwater is dissolving Carbon Dioxide as it falls through the sky. When a volcano erupts actually slightly acidic with a pH of just over 6. This is due to the rain it releases gases such as Sulphur Dioxide into the air which makes the rainwater more acidic with a pH of about 4. Air pollution caused by man also contributes to the acid rain.

Three reasons of the deaths of native americans: new illnesses that their immune systems couldn't cope with. genocides so the settlers could have the good land.starvation from lack of rations and poor infertile land on resevations