The components of air pollution in these cities are factories,vehicles,burning of fire. In Delhi its the most 95•/• Mumbai 92 •/• Kolkata 90•/• Chennai 85•/•
the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.
synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.