A tree's shadow does not have light. Anytime you are in the shadow of another object your body has no shadow of its own.
no, they could stand in their own shadow. it's a good "if" question. If there was no air, would you drown?
Because of the shadow.
Light travels in straight lines and therefore some will hit the tree. Where this happens a shadow (absence of light) is created behind the tree.
Well, no trees have a shadow if it is dark, or if they are shaded by a bigger tree. But a family tree may have no shadow.
Yes. Goats can climb certain trees and stand in the branches.
Because all the life sustaining activity happens in the layers just under the bark.
Let the shadow be x and use trigonometry and the tangent ratio: 18/x = 4/9 x = 40.5 feet
People used candles to light Christmas trees before there were electric lights.
Nothing. The lights go first.
Christmas lights (miniature lights). He invented flashing lights for outside trees that would not short out when it rained.
to cut trees
candles