Question

The ship is man's oldest and most important means of transportation. Today, thousands of ships cross oceans ,sail along sea coasts and ply on inland waterways. Trade between countries depends heavily on ships. Several kinds of ships are used to carry goods and people. Giant tankers transport petroleum , vegetable oil,wine and other liquids. Other vessels carry cargoes such as grain,ore and sand. Passenger liners carry travellers across the ocean. Man's first 'ship' was probably a log that he used to cross a river. He probably used his hands to paddle the log. Later, he learned to build rafts by tying logs together. By about,4000 B.C, Egyptian had learned to build long boats powered by a row of paddles.By about 3200 B.C, Egyptian had invented sails and , they were able to use the power of the wind to propel their boats. The basic patterns for ships became set with the invention of the sail.​

Answer 1

Answer:

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Explanation:

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