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Version vom 19. Juni 2013, 12:49 Uhr von CAMjkb43 (Diskussion | Beiträge)
CAMjkb43_Pine_cones.JPG |
Why are these pinecones green?
1) Because they aren't ripe (o) 2) Because they still contain chlorphyll for photosynthesis (b) 3) Because they are aliens (a) |
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