We started using rivers as a means of transportation 3300 years ago. This happened when people floated a boat for the first time in the river Indus. From that time till now we can see a number of rivers used as a means of transportation. Some of these rivers are Ganga, Nile and Mississippi Missouri. We catch many fishes from these rivers while they also help us in irrigation. In the following book detailed information has been given about many rivers and lakes. Let’s know more about them. There are great reserves of Ocean waters on the earth. Around 97 percent of total water is found in the oceans and simultaneously 70 percent of the earth’s area is covered with Oceans. World’s generally all sea’s, mountains, lakes and the snow and water emerging from the mountains, all get accumulated and meet in the oceans. In Hindu mythology Lord Vishnu has been said to be resting in the Ocean. Varun has been called as God of Oceans.
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