51. Habitat loss and fragmentation, over exploitation, alien species invasion and co extinction are causes for
						
					52. Drinking of fluoride containing water results :
						
					53. The amount of solar radiation reaching the surface of the earth is called
						
					54. The lag in daily temperature refers to the time lag between the:
						
					55. The study of minerals is called  
						
					56. MoEF means
						
					57. During a radiation inversion, wind machines
						
					58. Which of the following will increase in a rising parcel of air?
						
					59. The maximum pressure that water vapor molecules would exert if the air were saturated is called the:
						
					60. The density of water vapour in a given parcel of air is expressed by the:
						
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