when did trees appear on earth

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did trees appear on earth	1.55	0.4	2471	54	30
when	0.28	0.4	9014	40	4
did	1.21	0.1	1199	5	3
trees	0.49	0.4	8135	63	5
appear	0.59	0.7	4001	100	6
on	0.82	0.7	1706	97	2
earth	1.14	1	1578	38	5

Keyword	CPC	PCC	Volume	Score
when did trees appear on earth	1.54	1	1026	20
when did trees first appear on earth	1.06	0.7	1166	21
how did trees appear on earth	0.25	0.9	9279	29
when did redwood trees first appear on earth	1.51	0.7	6101	84
when did trees first appear	0.16	0.3	7562	60
how long have trees been on earth	0.87	0.7	9625	10
earliest trees on earth	0.15	1	5035	57
when did trees develop	1.93	0.9	4720	51
when were trees discovered	1.92	0.9	7412	93
when were trees created	1.01	0.8	7985	16
when were trees made	1.51	0.9	733	19
how long have trees been around	0.21	0.9	6579	53
when were trees invented	1.85	0.9	865	16
how long have trees existed	1.7	0.6	7438	21
the history of trees	0.62	1	71	49