Keyword Analysis & Research: why is the sky blue pdf

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why is the sky blue pdf	0.89	0.3	5848	79	23
why	0.05	0.2	3522	53	3
is	1.77	0.9	5753	58	2
the	1.69	0.9	8714	13	3
sky	0.99	0.2	636	61	3
blue	0.37	0.6	6866	95	4
pdf	1.21	0.2	6058	80	3

Keyword	CPC	PCC	Volume	Score
why is the sky blue pdf	0.53	0.6	8410	7