when did the human era start

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did the human era start	0.49	0.3	7630	15	28
when	0.5	0.3	5349	17	4
did	1.76	0.8	9502	15	3
the	1.47	0.8	3229	25	3
human	1.69	0.2	2233	78	5
era	1.92	0.9	5844	22	3
start	0.98	0.3	7335	71	5

Keyword	CPC	PCC	Volume	Score
when did the human era start	0.21	0.2	7956	69
what era did human appear	0.15	0.9	3567	41
when did human history start	0.32	0.7	2607	31
when did human history begin	0.11	0.9	1666	87
what is the human era	1.69	0.5	472	54
which era in human history came first	0.26	0.8	749	71
humans appeared during what era	1.57	0.1	3220	61
what year did humans begin	0.97	0.1	4564	96
what period were humans created	0.21	0.2	9967	57
what era did humans appear on earth	0.75	0.5	9165	79
what era did the first human appear	1.55	0.8	9213	43
what era was the human first appear	0.07	0.7	575	7
what period did humans appear	0.03	0.6	211	90
what time period did humans appear	1.04	0.1	2361	92
what era did humans live in	0.95	0.5	8317	37
modern humans first appeared during what era	0.07	0.2	5474	87
when did humans appear	0.88	0.5	2277	46
humans appeared during this era	0.99	0.9	6192	7