1) what is the percentage of Argon gas a) 0.03% b) 0.04% c) 0.93% d) 21% 2) In which atmospheric layer the radio transmission happens a) exosphere b) thermosphere c) stratosphere d) mesosphere 3) what is this and what is the and use a) thermometer measures the temperature b) raincoat measures the amount of rainfall c) wind wind shows the direction of the wind d) barometer measures the atmospheric pressure 4) when precipitation comes down to the earth in the liquid form it is called a) cloud b) rain c) snow d) Fog 5) why the stratosphere layer of the atmosphere is making condition most idle for flying aeroplanes a) stratosphere contains a layer of ozone gas b) more oxygen present there c) free from clouds and associated with their phenomenon d) very easy to fly 6) which two gas float on the exosphere a) oxygen and nitrogen b) helium and hydrogen c) organ and carbon dioxide d) chlorine 7) how many parts would Earth receives received from sons energy(2000000000) a) 1 b) 10000 c) 6 d) 7 8) the movement of air from high pressure area to low pressure area is called? a) air pressure b) wind c) cyclone d) temperature 9) how many types of rainfall are there a) 2 cyclonic rainfall and relief rainfall b) 1 convectional rainfall c) 3 cyclonic rainfall relief rainfall convectional rainfall d) none 10) what are the forms of precipitation a) cyclone, rain b) wind , snow , rain c) cyclone, wind, wind d) snow, sleet,hail

Chapter 4 air (Himanshu)

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