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Environmental Studies: Environmental Awareness
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Environmental Studies: Environmental Awareness
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25 Questions

1. The first tropic level refers to __________.
2. Air pollution is caused by
3. A great deal of indoor air pollution comes from ________.
4. The pollutant that causes hole in the ozone layer is _______.
5. Valuable, practical services that help to preserve ecosystem performed by nature are called_________.
6. All food chains starts with ___________ and ends with decay.
7. A permeable rock that contains hydrocarbon fluids and gasses is called a/an _________.
8. Carbon sequestration is a strategy used to control _____________.
9. The most widely used pesticides function by disrupting ________.
10. The global temperature has risen by about _________ degree Celsius, since the peak of last glacialisation.
11. Oil, coal and natural gas supply approximately _______ % of the energy used in the United States
12. World's most problematic aquatic weed is _________.
13. Sea water is _________.
14. Non-Ionizing radiations with specific biological effects are__________.
15. Decomposers are otherwise called as ________.
16. Which one of the following is not biodegradable?
17. Which sea is referred to as an oceanic desert?
18. In a photochemical smog, which gas is an eye and mucous membrane irritant?
19. Energy transformation through the food chain is __________.
20. Carbon dioxide is called green-house gas because it is ________.
21. The mean of annual rainfall in India is _________.
22. All of the following are advantages of dams except __________.
23. Increased surface UV leads to increased __________ozone
24. Organisms which are predominantly found living on, in or near bed sediments of rivers or lakes are known as __________.
25. What is the official name of IUCN?

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