Question

burning coal--especially \dirty\ coal--releases which of these products that is implicated in the production of acid rain? sulfur dioxide dihydrogen monoxide carbon monoxide mercury sulfate

Explanation:

Burning coal, especially dirty coal, releases sulfur - dioxide. Sulfur - dioxide reacts with oxygen and water in the atmosphere to form sulfuric acid, which is a major component of acid rain. Dihydrogen monoxide is water and not related to acid - rain formation from coal burning. Carbon monoxide is a pollutant but not directly involved in acid - rain production. Mercury sulfate is not a main product of coal burning related to acid rain.

Answer:

sulfur dioxide