The environmental movement in the United States, whose beginning, in 1970, is marked by Earth Day, __________.

Question

Quizplus · Accepted Answer

The phrase "has grown substantially in size since" indicates that the environmental movement in the United States has become larger since its beginning in 1970. Choices B, C, and D are all incorrect as they are not supported by the information given, and in fact, option D is a negative association that is not applicable to the entire environmental movement.

The Environmental Movement in the United States, Whose Beginning, in 1970