10+lines+on+trees+of+7th+standerd
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Trees are beautiful and useful gifts of nature. Trees are great friends of men. Trees give us flowers, fruits, timber, bamboo, fuels, etc. We can rest under the cool shade of a tree. We get wood from the trees to make furniture, doors, windows, etc. Forest brings clouds and cause rainfall. Trees prevent soil erosion. They protect us from severe weather.
Trees release oxygen which we need for our life. They also absorb the carbon-dioxide. Trees are the natural habitat of many animals and birds. Trees help make the land fertile. We get good crops out of fertile land. They are the sources of the fruits and flowers. They offer us cool shade during summer. During rainy season, we take shelter under the trees. Trees and plants are the sources of many supply life-saving drugs. They prevent land erosion and guard us against pollution. Thus, trees keep up the ecological balance.