Keyword Analysis & Research: by what process is petroleum refined

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
by what process is petroleum refined	0.81	0.5	5818	3	36
by	1.35	0.5	498	89	2
what	1.45	0.2	930	54	4
process	1.13	0.7	4001	12	7
is	1.55	0.1	1480	62	2
petroleum	0.83	0.1	1500	26	9
refined	0.09	0.3	1213	75	7

Keyword	CPC	PCC	Volume	Score
by what process is petroleum refined	1.35	0.9	1576	11