what do cfcs do to the ozone

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what do cfcs do to the ozone	1.77	0.1	7600	39	28
what	0.52	0.8	9153	69	4
do	1.42	0.6	355	98	2
cfcs	1.73	1	7343	32	4
do	0.74	0.7	7779	59	2
to	0.7	0.7	6452	95	2
the	1.43	0.7	4934	52	3
ozone	0.18	0.9	9233	59	5

Keyword	CPC	PCC	Volume	Score
what do cfcs do to the ozone	0.56	0.3	69	86
what do cfcs do to the ozone layer	0.06	0.4	7455	77
how do cfcs destroy ozone	0.36	0.8	9423	37
how do cfcs cause ozone depletion	0.78	0.1	4511	89
cfcs and ozone	0.96	0.6	1890	14
how do cfcs deplete the ozone layer	0.38	0.8	2719	68
how does cfcs destroy the ozone layer	1.78	0.9	4855	29
cfcs and ozone depletion	1.04	0.7	9117	60
describe how cfcs deplete stratospheric ozone	1.04	0.4	3553	17
cfcs ozone	0.54	0.1	895	10
cfcs ozone layer	1.8	0.7	1243	67
cfcs ozone depletion	0.15	0.7	7087	24
cfcs ozone hole	1.57	0.4	7712	42
cfcs ozone damage	0.92	0.9	1870	71
cfcs ozone reaction	0.86	0.8	1732	44