are helicopters bad for the environment

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
are helicopters bad for the environment	0.43	0.8	3176	39	39
are	1.97	0.8	1396	67	3
helicopters	0.78	0.1	8951	96	11
bad	0.82	0.9	3814	10	3
for	0.74	0.1	457	73	3
the	0.62	0.1	4139	90	3
environment	1.36	0.2	2263	98	11

Keyword	CPC	PCC	Volume	Score
are helicopters bad for the environment	1.56	0.3	5708	64
why are helicopters so dangerous	0.58	0.7	4831	9
how dangerous are helicopters	1.12	0.8	388	13
how safe are helicopters	0.74	0.6	4896	29
are helicopters hard to fly	0.98	0.2	1804	48
are helicopters more dangerous than airplanes	0.86	0.5	3407	67
are helicopters more dangerous than planes	0.77	0.5	1086	36
why are helicopter crashes so deadly	1.88	0.8	5417	90
are helicopters safer than airplanes	0.95	0.7	9872	47
are helicopters safer than planes	0.87	0.7	6004	41
safety of helicopters vs airplanes	0.48	0.4	6646	69
are planes or helicopters safer	0.16	1	1165	39
is it difficult to fly a helicopter	0.48	0.9	7675	95
are helicopters safer than cars	0.18	0.9	9770	75
why are there news helicopters over me	0.35	0.6	46	20
are toy helicopters dangerous	1.05	0.4	2641	5
is it hard to fly a helicopter	1.2	1	1441	27
are helicopter tours safe	0.02	0.6	2266	14
can helicopters fly in extreme heat	0.63	0.2	2985	35
how safe are helicopter rides	0.33	0.5	2535	64
the primary danger in helicopter fires is	1.42	0.7	1186	83
why is helicopter parenting bad	1.37	0.1	5792	18
why do helicopters get sick so often	1.02	0.8	9776	28
why so many helicopters today	0.63	0.8	911	98