According to Alfred Wegener, all the major continents formed one giant supercontinent, called Pangaea. About 200 million years ago, the supercontinent Pangaea began to rift.
Cotton is one of the most important cash crops supplying raw material to an extensive textile industry. It is a widely grown crop in areas of warm subtropical climate, typically on the equatorial side of the mid-latitudes. Among the cotton producing countries the first rank goes to China. The major areas of production in China lie in the floodplains of the major rivers in the northeastern part of the country.
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