In India, acid rains are not common due to?
Aless SO2 in air
Bfactories with long chimneys
Cdust in air
Drural areas
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ഓസോൺ പാളിയെ ബാധിക്കുന്ന രാസവസ്തു ഏത്?
Agriculture is known as both a source and sink for greenhouse gases. Which of the following is / are the greenhouse gases released by agricultural activities?
1.Carbon Dioxide
2.Methane
3.Nitric Oxide
Select the correct option from the codes given below:
Initially which energy was approved as a non-polluting way for generating electricity?
What phenomenon occurs due to the accumulation of certain pollutants that increase in concentration along the food chain?
What is the increased productivity of ponds and lakes due to excess nutrients called?