Which layer of the earth's atmosphere contains the ozone layer?
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A level of atmosphere which is composed partly of electrons and positive ions is called
If water smells bad, then that odour can be removed by adding
Uranus is the _______ planet from the Sun.
In which year was Communist Party of India - Marxist (CPI-M) founded?
A worksheet range is a
_________ software are freely available and can be edited and customized by anyone.
In networks, a small message used to pass between one station to another is known as ____________