are small and some trees are big. Obviously trees grow
as they age; but how do you tell how old a tree is?
Can you use the height
of a tree as an indication of its age? If so, how do you
measure the tree's height?
The age of trees are
important for many different reasons. Each tree caries a
history of weather conditions, accidents and human
activities around itself. By investigating a tree, we
can learn about some events in the past.