| A lanfill after dumping soil is left free for 20 yrs. Why? |
Class 6, All about garbage, Online test for Science Olympiad |
Ignore |
0 |
almost 12 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 |
Ignore |
0 |
almost 12 years ago |
| It is highly desirable to segregate biodegradable & non-biodegradable wastes. Why? |
Class 6, All about garbage, Online test for Science Olympiad |
Ignore |
0 |
almost 12 years ago |
| Are composting and vermicomposting the same? |
Class 6, All about garbage, Online test for Science Olympiad |
Ignore |
0 |
almost 12 years ago |
| Why are red worms used for vermi compositing? |
Class 6, All about garbage, Online test for Science Olympiad |
Ignore |
0 |
almost 12 years ago |
| Which is better, compost or chemical fertilizer? |
Class 6, All about garbage, Online test for Science Olympiad |
Ignore |
0 |
almost 12 years ago |
| Which is better, dry leaf ash compost or vegetable compost ? |
Class 6, All about garbage, Online test for Science Olympiad |
Ignore |
0 |
almost 12 years ago |
| What is done with landfills when they are full? |
Class 6, All about garbage, Online test for Science Olympiad |
Ignore |
0 |
almost 12 years ago |
| what is vermicomposting? |
Class 6, All about garbage, Online test for Science Olympiad |
Ignore |
0 |
almost 12 years ago |
| How can handkerchief reduce the use of paper? |
Class 6, All about garbage, Online test for Science Olympiad |
Ignore |
0 |
almost 12 years ago |
