carbon dioxide levels over the years

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
carbon dioxide levels over the years	0.68	0.4	4960	5	36
carbon	0.35	0.4	5891	92	6
dioxide	0.58	0.3	4787	9	7
levels	1.52	0.6	5323	75	6
over	0.89	0.6	8335	99	4
the	0.33	1	6460	58	3
years	1.96	0.7	8388	69	5

Keyword	CPC	PCC	Volume	Score
carbon dioxide levels over the years	1.6	0.1	6217	62
carbon dioxide levels over millions of years	1.29	0.7	4359	71
co2 levels over the years	0.15	0.5	4856	73
recent carbon dioxide levels	0.7	0.7	1986	56
co2 levels over time millions of years	0.44	0.6	3042	68
has carbon dioxide decreased over the years	1.05	0.3	781	77
co2 levels over millions of years	0.73	0.7	1491	11
describe recent carbon dioxide levels	0.45	0.1	4183	63
carbon dioxide levels today	0.41	0.9	7734	62
co2 levels over the last 100 years	0.38	0.5	4635	73
co2 levels over the last 200 years	1	0.5	8564	12
carbon dioxide over time	0.5	0.4	2404	56
carbon dioxide chart over time	0.62	0.3	2916	38
carbon dioxide levels in atmosphere by year	0.51	0.6	5078	1
carbon dioxide concentration over time	1.74	0.4	8600	46
co2 levels last billion years	0.94	0.4	8839	95
world co2 levels over time	1.12	0.8	3483	14
co2 levels millions of years ago	1.34	0.5	697	69
co2 levels on earth over time	1.77	0.5	9661	17