QUESTION -) It is difficult to breathe at high place ? Why ?
a) The body stop working properly at such high
b) Air in thin and at low pressure
c) Due to cold and freeze
d) Nose has to work harder to breather in air
Information #
=) BORD - NCERT
SCHOOL- KV Narela
SECTION - Primary
SUBJECT - Environment Studies
CLASS - Fifth
CHAPTER - A Shelter So High.
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B. Air is thin and at low pressure
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