Keyword Analysis & Research: when did first human appear on earth

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did first human appear on earth	0.78	0.5	5746	53	36
when	0.13	0.7	3692	87	4
did	0.29	0.2	3365	3	3
first	1.93	0.7	3725	33	5
human	1.73	0.4	2162	51	5
appear	0.84	0.5	1797	90	6
on	0.71	0.9	5298	91	2
earth	0.19	0.7	511	60	5

Keyword	CPC	PCC	Volume	Score
when did first human appear on earth	0.8	0.8	4152	17