India is home to an extraordinary variety of climatic regions, ranging from tropical in the south to temperate and alpine in the Himalayan north, where elevated regions receive sustained winter snowfall. The nation's climate is strongly influenced by the Himalayas and the Thar Desert.
Locks on any canal are used only for A. Locks are gates that block off sections of water—they are used to move boats from one body of water to another when the heights are different. The boat approaches from one side of the canal. One gate is opened while the other is shut, and the boat goes in. Then both are shut, and the water level is lowered or raised to equal the other side of the canal. The other gate is then opened, and the boat goes out.
The early human civilization were generally settled at a distance from oceans, as they felt that such water is of no use to them.
<h3>What is the significance of early civilizations?</h3>
One of the earliest civilizations in the world began near the rivers and valleys, because they had diversity of natural resources. Moreover, rivers and valleys have been given to birth to agricultural practices.
After knowing about these advantages, people realized that settlements shall never be practiced near the oceans, as the ocean water is not useful for human consumption.
Therefore, the significance of early civilizations has been aforementioned.
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