Keyword Analysis & Research: when did we know lead was poisonous

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did we know lead was poisonous	1.53	0.6	7357	44	35
when	0.73	0.7	9587	21	4
did	0.88	0.7	2806	91	3
we	1.92	0.8	4182	93	2
know	1.9	0.7	9328	88	4
lead	0.04	0.5	7349	21	4
was	0.97	0.4	8524	20	3
poisonous	0.72	0.3	3097	46	9

Keyword	CPC	PCC	Volume	Score
when did we know lead was poisonous	1.13	0.4	1471	29