11. The drop in air temperature at a rate of 6.50 C per 1000 m increase in altitude of troposphere is known as
12. The ecological pyramid always starts with the following at the base
13. The Ecological pyramid that is always upright
14. The flow of energy is
15. The green plants are also called
16. The layer of atmosphere containing much of ozone gas is
17. The layer which provides ideal site for flying of jet planes is
18. The layers of atmosphere consists of
19. The loss of water from plants and tree leaves is called
20. The main components of photochemical smog is
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