Coolants in refrigerators and air conditioners contribute to what environmental hazard? A. Acid rain B. Ozone depletion C. Oil spillage D. Global warming 0 0 votes Article Rating Subscribe Login Notify of new follow-up comments new replies to my comments Label {} [+] Name* Email* Label {} [+] Name* Email* 0 Comments Oldest Newest Most Voted Inline Feedbacks View all comments