Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
origin of water on earth theories | 1.42 | 1 | 2073 | 88 |
the origin of water on earth | 0.64 | 0.5 | 519 | 58 |
origin of water on earth pdf | 0.45 | 0.1 | 5291 | 99 |
origin of earth's water | 0.99 | 0.1 | 9345 | 54 |
history of water on earth | 1.35 | 0.7 | 8259 | 38 |
how was the water on earth created | 0.57 | 0.5 | 5886 | 16 |
where did the water on earth originate | 1.38 | 0.2 | 5145 | 79 |
how did earth get its water originally | 1.68 | 0.2 | 5087 | 66 |
where did water on earth come from | 1.99 | 0.8 | 5541 | 60 |
where did earth's water originate | 0.48 | 0.2 | 6972 | 95 |