how do ice cores show past climate

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how do ice cores show past climate	0.96	0.8	8004	86	34
how	0.37	0.3	7633	65	3
do	0.27	0.1	173	39	2
ice	0.69	0.7	5026	90	3
cores	0.91	1	5062	29	5
show	0.98	0.5	4283	94	4
past	0.4	0.3	8323	53	4
climate	0.73	0.4	2054	94	7

Keyword	CPC	PCC	Volume	Score
how do ice cores show past climate	0.92	0.8	7685	77
how are ice cores used to show past climates	1.49	0.2	5952	69
explain how ice cores can show past climate	0.34	0.6	305	69
what do ice cores show	1.3	0.8	9729	81
ice cores climate change	0.72	0.6	4907	71
evidence of climate change ice cores	0.35	1	2974	68
what do ice cores tell us	0.82	0.9	3139	51
how do ice cores form	1.52	0.6	2737	60
evidence for natural climate change ice cores	1.58	0.2	580	78
how do scientists use ice cores	1.69	0.2	2483	88
why do ice cores have visible layers	0.77	0.4	1843	51
why do scientists study ice cores	1.11	0.6	3498	64
why do ice cores have layers	1.57	0.5	8557	27
climate change ice core	0.93	0.7	7965	31
how are ice cores collected	0.91	0.2	9528	2
ice core samples and climate	0.97	0.5	5465	54
ice core samples and climate change	0.08	0.7	9612	20
what can we learn from ice cores	0.53	0.7	6433	9