Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
biosphere 2 the once infamous | 0.09 | 0.8 | 7348 | 89 |
what happened to biosphere 2 | 1.98 | 0.2 | 6981 | 72 |
biosphere 2 what really happened | 1.3 | 0.6 | 6578 | 1 |
the 2nd attempt at biosphere 2 was | 0.06 | 0.7 | 82 | 62 |
picture of biosphere 2 | 1.39 | 1 | 3241 | 2 |
biosphere 1 and 2 | 0.93 | 0.4 | 3022 | 41 |
what was biosphere 2 | 0.95 | 0.8 | 5928 | 4 |
history of biosphere 2 | 1.07 | 0.1 | 1962 | 40 |
images of biosphere 2 | 0.92 | 0.6 | 1543 | 47 |
biosphere 2 experiment wiki | 0.35 | 0.5 | 2470 | 42 |
biosphere 2 documentary film | 1.02 | 0.2 | 3822 | 50 |
what happened to biosphere 1 | 1.81 | 0.8 | 9853 | 40 |
why did scientists build the biosphere 2 | 1.27 | 0.9 | 4070 | 2 |
biosphere 2 what went wrong | 0.53 | 0.6 | 266 | 91 |
biosphere 2 crew documentary | 0.49 | 1 | 5828 | 89 |
why was biosphere 2 built | 1.22 | 0.3 | 5762 | 82 |
how is biosphere 2 useful today | 1.44 | 0.5 | 1320 | 31 |
biosphere 2 original crew | 0.46 | 0.2 | 6067 | 42 |
what did biosphere 2 discover | 0.32 | 0.3 | 7883 | 35 |
why biosphere 2 was originally built | 0.19 | 0.4 | 9180 | 62 |
biosphere 2 failed experiment | 1.71 | 0.4 | 1308 | 31 |
is biosphere 2 still open | 1.45 | 0.6 | 3611 | 35 |