As regulated by the 1990 clean air act, industries that put more acid-forming pollutants into the air are subject to a fine. true or false

True

Explanation:

The clean air act gives right to Environmental Protection Agency (EPA) to put penalty on the organization that in any case disobeys the mandatory rules and laws. Under the last amendment of clean air act (1990) all industries that are involved in the production harmful gases that causes acid rain are mandated to regulate their gas emission and in case if they fail to abide by the rules, they will be penalized.

Hence, the given statement is true.