Question

oxygen gas is 21% and 1% other gases in the atmosphare true or false
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Answer 1

Answer:

oxygen gas is 21% and 1% other gases in the atmosphare

(true)

Answer 2

false

i am writing it as false because you have written that 1% other gases ....in other gases there is nitrogen also but in atmosphere 21% oxygen and 72-78% nitrogen gas is present and 2-1 % other gases