the percentage composition of oxygen in air

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
the percentage composition of oxygen in air	0.42	1	4769	49	43
the	0.35	0.7	9975	46	3
percentage	1.31	0.4	7825	58	10
composition	0.94	0.4	9520	58	11
of	0.47	0.9	3210	7	2
oxygen	1.25	0.7	5489	65	6
in	0.93	1	1630	72	2
air	1.45	0.6	5312	98	3

Keyword	CPC	PCC	Volume	Score
the percentage composition of oxygen in air	1.11	0.3	1339	52
percentage of oxygen in the air	1.44	0.3	8221	32
percent of oxygen in the air	0.79	0.5	5349	48
what percentage of the air is oxygen	1.09	0.2	5832	96
what percent of the air is oxygen	1.33	0.6	3026	81
what % of oxygen in air	0.39	0.8	8435	35
oxygen % in air	1.27	1	5978	8
percentage of oxygen in the air we breathe	1.19	0.4	9912	24
percentage of oxygen in air by mass	1.64	0.3	5489	59
percentage of oxygen in air by volume	1.68	0.4	4987	61
percentage of oxygen in air experiment copper	0.81	0.7	209	55
percentage of oxygen in air by weight	0.58	0.1	9463	54
percentage of oxygen in air experiment	0.73	0.4	432	19
percentage of oxygen in air at altitude	1.53	1	7744	14
percentage of oxygen in air bbc bitesize	0.72	0.8	7166	5
percentage of oxygen in air at sea level	1.8	0.8	6900	56
percentage of oxygen in air experiment iron	0.34	0.8	4438	87
what is the percentage of oxygen in air	1.49	0.8	2866	67
room air oxygen percentage	0.21	0.6	7800	73
percentage of oxygen in exhaled air	1.54	0.4	9557	99
percentage of oxygen in expired air	1.36	0.5	4793	14