Exam (elaborations)
EPA 608 Certification Core Practice Test 2023-solved
- Course
- Institution
As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? - Answer- July 1, 1992. What is the ozone layer and why is it important to us on Earth? - Answer- Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere l...
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