ACID RAIN SCORING 2
Any one of car exhausts, factory emissions, burning fossil fuels such as oil and coal, gases from volcanoes or other similar things.
Burning coal and gas.
Oxides in the air come from pollution from factories and industries.
Fumes from power plants. [«Power plants» is taken to include power plants that burn fossil fuels.] They come from the burning of materials that contain sulfur and nitrogen.
Responses that include an incorrect as well as a correct source of the pollution.
Fossil fuel and nuclear power plants. [Nuclear power plants are not a source of acid rain.]
The oxides come from the ozone, atmosphere and meteors coming toward Earth. Also the burning of fossil fuels.
Responses that refer to «pollution» but do not give a source of pollution that is a significant cause of acid rain.
The environment in general, the atmosphere we live in – e.g., pollution.