Over the Past Several Decades, Concern for the Environment Has

Multiple Choice

Over the past several decades, concern for the environment has

A) been relatively steady because people expect to live in a clean and safe environment.
B) increased significantly because pollution became a threat to life and health.
C) been carefully handled by businesses because they are the primary source of pollutants.
D) become stronger in the United States but not yet in the rest of the world.
E) decreased because today's industrialized processes are naturally more environmentally friendly.