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If liquid water were present on Earth but there were no ozone layer, which development would have been most difficult because of harmful ultraviolet radiation?यदि पृथ्वी पर तरल जल होता, लेकिन ओजोन परत न होती, तो हानिकारक पराबैंगनी विकिरण के कारण कौन-सा विकास सबसे कठिन होता?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: The spread of life onto landस्थल पर जीवन का विस्तार
The ozone layer absorbs much of the Sun's harmful ultraviolet radiation. Without that protection, life could still be sheltered in water, but spreading onto exposed land would have been more difficult.ओजोन परत सूर्य के हानिकारक पराबैंगनी विकिरण का बड़ा हिस्सा सोख लेती है। इस सुरक्षा के बिना जीवन जल में सुरक्षित रह सकता था, लेकिन खुले स्थल पर फैलना अधिक कठिन होता।
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