This is -1/2
Hope this helped!
this is not social studies at all
<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>
Answer:
Mongolia
Explanation:
Mongolia has very little arable land, which means historically they have not been able to grow enough crops to support a large population. Until the 20th century Mongolians were largely a herding people, and that just doesn't support dense populations.
