The first ________ in April 1970 helped to spur on a number of environmental groups.

The first ________ in April 1970 helped to spur on a number of environmental groups.

The first ________ in April 1970 helped to spur on a number of environmental groups.







A) Earth Day
B) smog alert
C) serious oil spill
D) nuclear power plant accident
E) nuclear plant explosion








Answer: A