A reader asked the following questions about trees. No. 1: When hiking, I often see what appear to be several trees growing from a central trunk. What causes this? No. 2: At a local park an oak tree ...
A reader asked the following questions about trees: (1) When hiking, I often see what appear to be several trees growing from a central trunk. What causes this? (2) At a local park an oak tree and a ...
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