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How do trees survive in winter without leaves to photosynthesize?
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Why are silver birch trees silver?
Started by chrisBoard Plant Sciences, Zoology & Evolution |
Replies: 13 Views: 17023 |
11/03/2007 13:47:27 by another_someone |
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Do you need to keep planting trees to offset CO2 or is planting once enough?
Started by Sally Le PageBoard The Environment |
Replies: 1 Views: 2415 |
24/06/2021 23:55:21 by alancalverd |
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QotW - 08.06.08 - How do fish survive in both salt water and fresh water?
Started by thedocBoard Question of the Week |
Replies: 5 Views: 30483 |
25/06/2008 21:53:11 by Alan McDougall |
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How long can fresh water turtle eggs survive under water?
Started by ATremorBoard Marine Science |
Replies: 2 Views: 43656 |
25/09/2010 02:57:08 by ATremor |
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If Tunguska was "2,000 times stronger" than the a-bombs, how did Earth survive?
Started by Pseudoscience-is-malarkeyBoard Physics, Astronomy & Cosmology |
Replies: 9 Views: 9114 |
21/07/2021 17:43:05 by Bored chemist |