PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. What is the importance of rainwater harvesting?
a. Rainwater harvesting overcomes the rapid depletion of groundwater levels.
b. Rainwater harvesting helps to meet the rising freshwater demand.
c. Rainwater harvesting increases the risk of flooding and soil erosion.
2. What are the advantages of using biogas?
a. Biogas burns without producing smoke, resulting in less pollution.
b. Biogas serves as a great technique to dispose off .
c. Biogas is safe and convenient to use.
d. Biogas the amount of greenhouse gases emitted.
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