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What causes leaves to fall in autumn (light,temp,or both?)

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by

darius watson

on 14 September 2012

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Transcript of What causes leaves to fall in autumn (light,temp,or both?)

What Causes Leaves To Fall In Autumn(light, temp, or both?) 4 10ft. pallida trees
Heat (temp)
light(exposure)
Green house control group: Tree 1 is placed in a green house and exposed to average heat and light, similar to average autumn whether Experimental Group:
Tree 2: Will have 80 temp. and 14 hrs. of light.
Tree 3: Will have 60 temp and the average amount of light
Tree 4: Will have 50 temp and 0 hrs. of light exposure. (tarp hovering tree) You should observe the amount of leaves that come off each tree. to see what causes leaves to fall in autumn. either the (temperature, light, or both) I think that the outcome of this experiment ill show that it's a combination of the temperature and light. BY: Darius Watson
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