Keyword Analysis & Research: who gave safety valve theory

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
who gave safety valve theory	0.47	0.9	4961	72	28
who	0.36	1	1692	96	3
gave	1.33	1	5869	3	4
safety	0.48	0.8	7072	91	6
valve	1.79	1	3197	59	5
theory	1.65	0.6	1471	57	6

Keyword	CPC	PCC	Volume	Score
who gave safety valve theory	1.59	0.8	1756	23