Question

when the air goes high it becames ____ option a:dense b:sparse c:hot​

Answer 1

Sparse

Lighter things move away from gravity

Answer 2

Answer:

thinly dispersed or scattered due to warmth

Explanation:

air is a mix of no of gases , lets assume them be having equivalent M.P. and B.P.  

air rises when its hot due molecular movement and bond breaking it then starts to cool down , at higher altitude .

due to 'g'   at ground level its density is higher even if there is both hot and cold air as compared to altitudinal reference