३) वृक्षारोपण की आवश्यकता बताइए?
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प्रस्तावना- मानव के स्वास्थ्य तथा सुन्दरता की वृद्धि के लिए, पर्यावरण को शुद्ध रखने के लिए, पृथ्वी को सुन्दर बनाने के लिए
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Trees help to clean the air we breathe. Through their leaves and bark, they absorb harmful pollutants and release clean oxygen for us to breathe. In urban environments, trees absorb pollutant gases like nitrogen oxides, ozone, and carbon monoxide, and sweep up particles like dust and smoke.
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