Say true or false

Say true or false Looking

Dear student,        
Please find below the solution to the asked query                                                                

i. False. Only oxygen supports combustion.
ii. True.
iii. True. 
iv. False. It is also used in the growth of plants, running of windmills etc. 
v. False. Earlier, windmills were also used to mill the grains, for pumping of water etc. 
vi. False. Air is necessary for water cycle in the process of evaporation. 

Hope this information will clear your doubts about the topic.   
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Regards                           

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