ozone shield वाक्य
"ozone shield" हिंदी में ozone shield in a sentenceउदाहरण वाक्य
- Some basically testified to that effect Wednesday, reasserting that CFCs were indeed destroying ozone, that a weaker ozone shield allowed biologically harmful ultraviolet rays to reach the Earth and that these cause skin cancer, cataracts, damage to the immune system and harm to natural ecosystems.