Tree

There are many kinds of trees. tree are very big and small. Tree gives us fresh air. There are many roots and leaves in the tree.Trees can live for thousands of years.Some trees can grow to around 100 metres (328 feet) in height.Trees produce oxygen and reduce the amount of carbon dioxide in the atmosphere.The tallest species of trees in the world include the Coast Redwood, Giant Sequoia, Coast Douglas Fir, Sitka Spruce and Australian Mountain Ash.The way a tree grows through different seasons can be seen by growth rings in the wood, they can even be used to determine the age of a tree.Wood from trees can be used in a number of different ways including as a building material and energy source.