Q#10: Why Are Christmas Trees Not Extinct?
Irani , New Delhi: Dec 26 2005
Made Popular Dec 26 2005
The Christmas trees not only survive, but thrive. The mystery behind it is decoded by a University of Utah study. It suggests that efficient microscopic valves let water flow through conifers about as easily as it flows through other trees. John...
Tags: Christmas trees, University of Utah, conifers, microscopic valves
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