Biology · Environmental Issues
Which of the following statements is/are true? 1. Industrial use of CFCs has damaged the ozone layer. 2. The thickness of the ozone in a column of air from the ground to the top of the atmosphere is measured in terms of Gridson units (GU).
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Only 1✓
- 2Only 2
- 3Neither 1 nor 2
- 4Both 1 and 2
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