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The ozone layer is a natural layer of gas in the upper atmosphere that protects humans and other living things from harmful ultraviolet (UV... -
“One scientific invention can change the world forever!!” Inventions include things like- the steam engine, printing press, the computer,... -
We prepared a schedule for our PEER- demonstration classes for our juniors. PHYSICAL SCIENCE 4 th MARCH 2021 1. Gravitation (Inquiry traini...
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