What types of regulations are designed to bring awareness to and reduce the amount of air pollution? clean air acts

industry regulation acts

pollution for the people acts

water pollution controls

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)

i think it’s c but i might be wrong. if i am let me know! have a good rest of your day as well!