when ozone layer is destroyed

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when ozone layer is destroyed	0.57	0.2	2161	3	29
when	0.49	0.5	69	62	4
ozone	1.18	0.4	1023	82	5
layer	0.23	0.9	6908	50	5
is	0.53	0.6	4379	41	2
destroyed	1.03	0.2	4743	49	9

Keyword	CPC	PCC	Volume	Score
when ozone layer is destroyed	1.98	0.6	9760	6
what happens if the ozone layer is destroyed	0.23	1	7143	42
how is the ozone layer being destroyed	1.11	0.5	1406	35
what happens when ozone layer is destroyed	0.01	0.9	9790	25
what happen if the ozone layer destroyed	0.36	0.8	965	86
what chemical destroyed the ozone layer	0.57	0.8	2087	19
when will the ozone layer be destroyed	0.88	0.5	9490	65
ozone layer destroyed	1.4	0.7	1331	41
what destroyed the ozone layer	1.61	0.2	9840	94
what is destroying the ozone layer	0.82	0.4	595	24
what damage the ozone layer	0.74	0.9	7260	6
how is the ozone layer damaged	0.91	0.2	8833	73
what will happen if ozone layer disappears	1.27	0.9	8515	56
what damaged the ozone layer	0.18	0.6	1983	30
how is ozone destroyed	0.28	0.5	4434	89
destruction of the ozone layer	0.45	0.5	981	39