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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
WHAT DO YOU MEAN BY RAREFACTION? |
Rarefaction is the reduction of an item's density, the opposite of compression. Like compression, which can travel in waves also exist in nature. A naural example of rarefaction occurs in the layers of Earth's atmosphere. |