A lanfill after dumping soil is left free for 20 yrs. Why? |
Class 6, All about garbage, Online test for Science Olympiad |
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0 |
over 11 years ago |
Putting powdered eggshells in vermicomposting pit,helps the red worms to grind their food. Why? |
Class 6, All about garbage, Online test for Science Olympiad |
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0 |
over 11 years ago |
It is highly desirable to segregate biodegradable & non-biodegradable wastes. Why? |
Class 6, All about garbage, Online test for Science Olympiad |
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0 |
over 11 years ago |
Are composting and vermicomposting the same? |
Class 6, All about garbage, Online test for Science Olympiad |
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0 |
over 11 years ago |
Why are red worms used for vermi compositing? |
Class 6, All about garbage, Online test for Science Olympiad |
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0 |
over 11 years ago |
Which is better, compost or chemical fertilizer? |
Class 6, All about garbage, Online test for Science Olympiad |
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0 |
over 11 years ago |
Which is better, dry leaf ash compost or vegetable compost ? |
Class 6, All about garbage, Online test for Science Olympiad |
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0 |
over 11 years ago |
What is done with landfills when they are full? |
Class 6, All about garbage, Online test for Science Olympiad |
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0 |
over 11 years ago |
what is vermicomposting? |
Class 6, All about garbage, Online test for Science Olympiad |
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0 |
over 11 years ago |
How can handkerchief reduce the use of paper? |
Class 6, All about garbage, Online test for Science Olympiad |
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0 |
over 11 years ago |