Keyword Analysis & Research: who invented the refrigeration system

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
who invented the refrigeration system	0.51	0.9	1866	100	37
who	1.11	1	3446	58	3
invented	0.65	0.7	4906	57	8
the	1.45	0.1	4625	11	3
refrigeration	1.23	0.6	8968	73	13
system	0.34	0.9	9307	47	6

Keyword	CPC	PCC	Volume	Score
who invented the refrigeration system	1.12	0.2	6159	48