View Single Post
Old 10-06-2004, 12:18 PM   #8 (permalink)
teopatl
Upright
 
as Sargeman pointed out, photosynthesis requires CO2 and water. Water comes from the ground...if the ground freezes, water can't be obtained, and the tree can't support leaves with food.

...I think...makes sense anyway.
teopatl is offline  
 

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47