Explore beautiful and ugly buildings. Mathematics helps us create beautiful d...
Agriculture
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5. The cycle of shifting cultivation (a) When a site is selected, The farmers cut down the trees (b) The farmers burn the woods and weeds to make a small clearing. The ash left on the land is used as a fertilizer (c) Simple tools are used to prepare the land for cultivation. (D) After 3 to 4 years, the soil diminishes in fertility