why does air become thinner as we go higher

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why does air become thinner as we go higher	0.84	0.7	4776	96	43
why	1.05	0.2	9094	78	3
does	1.73	0.1	5704	12	4
air	1.12	1	2769	7	3
become	1.08	0.8	9665	67	6
thinner	0.67	0.5	7080	62	7
as	1.18	1	2595	94	2
we	1.24	0.8	3541	13	2
go	0.77	0.7	6969	43	2
higher	1.73	0.5	9038	57	6

Keyword	CPC	PCC	Volume	Score
why does air become thinner as we go higher	0.86	0.9	3028	91
why air is thinner at higher altitude	0.78	0.6	4715	26
why does air get thinner with altitude	1.24	0.8	9822	41
what happens when air becomes too thin	1.32	0.6	1249	89
as air becomes thinner its density decreases	0.11	0.7	1849	10
at what elevation does air get thinner	0.25	0.4	6854	72
thinner air at higher altitude	0.38	0.7	3534	93
why is air thinner on mountain tops	0.92	0.2	6126	100
what happens when air becomes too thick	0.34	0.1	8319	52
is our atmosphere getting thinner	0.32	0.5	4409	47
why am i getting thinner	0.42	0.2	659	54
at what altitude does air get thin	0.97	0.9	3678	95
why does the air feel thick	1.91	0.1	7106	75
why hot air is less dense	1.38	0.9	3312	88
as air becomes less dense it reduces	0.52	0.6	7884	77
at what height does air get thin	1.07	0.8	8557	100
thin air at high altitude	1.75	0.6	328	72
why am i so thin	0.2	0.4	2179	61
what happens when the atmosphere is thin	0.02	0.9	866	22