Giving brainliest to the correct

what was the significance of the clean air act of 1970?

a) it established federal emissions standards.

b) it identified sources of air pollution.

c) it set a timetable for cleaner air.

d) it offered businesses incentives to stop polluting.

e) it allowed the burning of low sulfur oil.

The Clean Air Act of 1970 introduced several governmental bodies that would oversee air pollution. The groups tasked with looking after the air pollution were trying to limit pollution caused by various sources. They gave companies incentives to limit their pollution, so the answer is C.

Explanation:

the french gave their support to another tribe during he war.

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.