Since each ring corresponds to roughly one year of growth, making it possible to get a highly accurate estimate of a trees age. This use of tree-ring dating to find the age of a tree is also known as dendrochronology.
What country has the oldest history?
China An old missionary student of China once remarked that Chinese history is “remote, monotonous, obscure, and-worst of all-there is too much of it.” China has the longest continuous history of any country in the world—3,500 years of written history. And even 3,500 years ago Chinas civilization was old!
Is it bad to have trees close to house?
When planting trees, they should be kept far from the house. It is impossible for the homeowner to reliably predict how far the roots will spread, and trees that are too close to a building may be a fire hazard. Do not damage roots. In addition to providing nutrition for the tree, roots anchor the tree to the ground.