how long have trees been on earth

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how long have trees been on earth	1.76	0.4	5030	68	33
how	0.26	0.8	4728	23	3
long	0.11	1	6238	83	4
have	1.13	0.3	3355	33	4
trees	0.75	0.9	319	4	5
been	1.42	0.3	7129	31	4
on	0.87	1	6659	85	2
earth	1.27	0.2	9476	38	5

Keyword	CPC	PCC	Volume	Score
how long have trees been on earth	1.34	0.9	120	67
how long have oak trees been on earth	0.33	0.3	2848	9
how long have pine trees been on earth	1.49	0.7	4304	64
how long have magnolia trees been on earth	0.77	1	7085	81
how long has trees been on earth	1.56	0.9	3526	40
how long have there been trees	1.33	0.3	983	46
how old are trees on earth	1.66	0.6	4549	26
number of trees on earth over time	0.81	1	945	31
amount of trees on earth over time	0.6	0.7	9972	73
how many trees exist on earth	0.59	1	8167	86
how many trees are on earth today	0.65	0.4	167	46
how many mature trees on earth	1.17	0.8	5185	37
earliest trees on earth	0.49	0.3	1730	29
number of trees on earth	1.1	0.2	4920	90
were there once giant trees on earth	1.91	0.6	2281	15
when did trees appear	1.01	0.9	1839	14