The first modern environmental movement in the United States began in the:
A. 1940s.
B. 1950s.
C. 1960s and 1970s.
D. mid-1980s
Answer:C
The first modern environmental movement in the United States began in the:
A. 1940s. B. 1950s. C. 1960s and 1970s. D. mid-1980s