Tree structure and the role of
Students:Do you know which parts of the tree composed by you?Every part of what we humans do?Tell me quick,Can look up information,To ask parents,Teachers or students.
Tree is by the leaves, branches, trunks and roots of these four parts.The role of trees for the manufacture of oxygen,To reduce carbon dioxide, vacuum cleaners, air purification, organic production, soil, chemical raw materials, wind, temperature, into inorganic substances, producers of the biosphere, such as essential.The role of trees are: 1, to carry out photosynthesis, absorb carbon dioxide and release oxygen;2, transpiration, air-conditioning and humidity;3,fixed soil, prevent soil erosion;4, barrier, wind stop sand;5, to increase afforestation, landscaping;6, the United States and the value of rewards to increase the art components;7, the industrial value, timber, wood and other wood products;8, medicinal value, made from medicinal herbs.
Apr. 27, 2009