What are some of the waste materials that we generate in our homes?
Some of the the waste materials that we generate in our homes are : Spoilt food, vegetable peels, plastic, PUC, used tea leaves, milk packets, empty cartons, used cloths, paper waste, empty medicine bottles, broken foot wear, etc.
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How much energy is lost in transfer from one trophic level to other in a food chain?
Which one of the following is not a part of biotic environment: Insect, air, plants, birds?
How much time does it take for certain commonly used products to biodegrade, when they are scattered around as litter?
