21. If you want to keep an object cool while exposed to direct sunlight,
22. Man and biosphere programme is affiliated with
23. Succession initiated on large sand deposits or deserts is called
24. The famous Minamata disease in Japan is due to the accumulation of____________in fishes.
25. All are insitu conservation efforts except
26. _________ is an on-site conservation method.
27. A red shirt
28. On the average, about what percentage of the solar energy that strikes the outer atmosphere eventually reaches the earth's surface?
29. How many types of habitats are there in a biosphere?
30. If the absolute temperature of an object doubles, the maximum energy emitted goes up by a factor of:
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