The Simple Drawing Network will share with you how to draw a big tree. The steps for drawing a big tree are very simple and very suitable for children to learn simple drawings. If you want to learn how to draw a big tree easily, how to draw a big tree with childrens simple drawings, and plant simple drawing materials, then follow the simple steps of drawing a big tree in this article to learn step by step. You can also visit the Simple Drawing Encyclopedia website for more information. A collection of simple drawing pictures of how big a tree is.
Woods can reduce noise pollution. A 40-meter-wide forest belt can reduce noise by 10-15 decibels. Noise pollution has caused great harm to human life, study, work, rest, etc. It can be said to be peoples "enemy". Therefore, we should pay more attention to afforestation. Noise can also cause hearing loss, deafness, stupidity, and abnormalities in the heart, blood pressure, nerves, etc. in long-term life. It can even cause people to die from long-term noise exposure. In this way, the woods can reduce the noise by four or five times.
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