oxygen levels 63

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
oxygen levels 63	1.85	0.1	5196	63	16
oxygen	0.79	0.2	5325	37	6
levels	0.36	0.7	9651	59	6
63	0.44	0.8	3657	68	2

Keyword	CPC	PCC	Volume	Score
oxygen level 63	1.89	0.4	7265	8
oxygen levels 65 million years ago	0.55	0.3	3594	90
oxygen level 62	1.14	0.5	9333	76
oxygen levels 60	0.21	0.2	5276	31
oxygen level 64	0.32	0.5	3578	87
oxygen level 68	1.14	0.7	9649	2
oxygen level 68%	1.05	0.5	9190	37
oxygen level 64 means	1.5	0.2	5986	10
oxygen level 68 for dying patient	1.95	0.4	8221	34
historic oxygen levels on earth	0.92	0.8	6644	99
oxygen levels earth history	1.14	0.7	416	93
earth's oxygen levels history	0.32	0.3	2440	44
oxygen a four billion year history	1.91	0.7	6858	47
oxygen levels in the 70s	0.56	0.6	7007	21
how long has oxygen been around	0.93	0.4	9738	78
highest oxygen levels in earth history	0.52	0.9	9498	96
oxygen levels by age	0.25	0.7	9742	71
when did oxygen levels start to decline	1.69	0.3	9906	50
oxygen levels in the 80s	1.43	0.6	200	36
oxygen levels on earth over time	1.79	0.9	9655	98
oxygen levels by age chart	1.32	0.4	1971	74
how old is oxygen	1.19	0.9	781	7
when was oxygen found	1.15	0.1	8606	95
oxygen level in 60s	1.54	0.1	222	92
oxygenation levels by age	1.91	0.7	1352	17
the history of oxygen	0.7	0.4	2616	80
percentage of oxygen in early atmosphere	0.3	0.3	6205	60
was there more oxygen in the past	0.25	0.6	9871	93
oxygen level 53	1.26	0.9	2869	31