Answer:
Pacific Railroad Company would start building in Sacramento
Explanation:
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 control. This legislation authorized the development of comprehensive federal and state regulations to limit emissions from both stationary (industrial) sources and mobile sources.
Answer:
C. The site of an ancient battle
Explanation:
Archaeologists study past human activity by excavating, dating and interpreting objects and sites of historical interest
