Which refrigerants have a 0 ODP? A. HFCs B. HCFCs C. CFCs D. Both A and B Which refrigerants have a 0 ODP? A. HFCs B. HCFCs C. CFCs D. Both A and B Which refrigerants have a 0 ODP? A. HFCs B. HCFCs C. CFCs D. Both A and B
