<span>A. It established federal emissions standards
</span>The enactment of the Clean Air Act of 1970 (1970 CAA) resulted in a major shift in the federal government's role in air pollution<span> control. This legislation authorized the development of comprehensive federal and state regulations to limit </span>emissions<span> from both stationary (industrial) sources and mobile sources.</span>
<span>Correct answer choice is:
D. layers of government
Explanation:
</span>Federalism is a type of government in which the power is shared between the national and state government in the form of layers by the help of written constitution. But <span>The number of branches in the government and the way power is divided is not the same for all </span>federalist<span> governments.</span>
Answer:
During the Gupta period, architecture became more complex, great paintings and sculptures were created, and new ideas in math and medicine were developed is the correct answer.
Explanation:
2. glossary. hope it helps
