carbon dioxide levels over millions of years

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
carbon dioxide levels over millions of years	0.68	1	5904	78	44
carbon	0.41	0.5	6096	1	6
dioxide	1.8	1	6663	10	7
levels	0.79	0.5	1460	99	6
over	1.63	0.3	5678	27	4
millions	0.58	0.2	8545	14	8
of	1.93	0.5	7040	92	2
years	1.19	0.8	2069	3	5

Keyword	CPC	PCC	Volume	Score
carbon dioxide levels over millions of years	1.24	0.9	1854	20
co2 levels over millions of years	1.94	1	2535	62
co2 levels over time millions of years	0.61	0.7	4419	20
carbon dioxide levels over time	1.11	0.3	7025	48
co2 levels millions of years ago	0.71	0.3	5113	91
co2 over millions of years	0.36	0.4	4740	24
co2 levels over the years	0.1	1	7660	50
recent carbon dioxide levels	1.59	0.2	401	53
describe recent carbon dioxide levels	0.97	0.2	9505	75
carbon dioxide levels today	1.76	0.8	8615	29
carbon dioxide levels in atmosphere by year	0.48	0.5	8730	19
co2 levels over the last 10000 years	1.38	0.2	2508	77
carbon dioxide over time	0.35	0.3	4470	60
co2 levels in last 600 million years	1.06	0.8	9442	71
co2 level milions of years	0.63	1	7460	7
co2 levels past 100 million years	0.92	0.9	6525	46
co2 levels last billion years	0.89	0.8	7535	28
co2 levels past 600 million years	0.6	0.1	3903	13
co2 levels last 100 million years	0.61	0.3	6715	93