concept map of the social chapter - delhi sultanate for class 7 cbse....pls do not copy from google and send me your own...thank you in advance :)
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The hydrosphere provides an important place for the human beings and animals to live. There are also nutrients like the nitrate, nitrite, ammonium ions and other ions are dissolved in water. These substances is really needed for life to exist in water. The hydrosphere also helps the earth to regulate its temperature for the reason water takes a long time to heat up and a long time to cool down making the temperature of the earth stay within a range that is acceptable for life to exist. Humans and animals use water in a number of ways. Humans and animals uses water foused for other purposes like washing, cleaning, and generating electricity through hydropower. If the hydrosphere or the so called water sphere is depleted or will totally vanish, there will be no more supply of water that is essential to maintain life and there will be no more human beings or even animals that will live in the planet earth. If the hydrosphere will vanish, the interaction between the hydrosphere and othere spheres of the earth like the litosphere, atmosphere and biosphere will be out of balance and will create disturbance or malfunction the litosphere, atmosphere, and biosphere.