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"Smartindia is the best online tool for school students." Ms Deepa Chandran, Principal Anchal
"Smartindia is one of the best supplementary education tool for school students." Ms Pooja, Principal
why our earth is called blue planet |
The Earth is called the "blue planet" because the surface is composed mostly of water. Over 70 % of the Earth's surface is water. Water looks blue from space mainly because it reflects the blue atmosphere. |