How many groups and periods are present in the Modern Periodic Table?
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June 21 marks the winter solstice in the _________ Hemisphere.
An _______________ is a sudden shaking or trembling of the earth.
A deep crack in a glacier is called
____________ scheme by the Central Government states that an insurance of 10 lakhs will cover each passenger traveling by Indian Rail while booking a ticket if an amount of 92paise is paid.
With which country India has signed an agreement in September 2017 for co-operation in health sector?
A curved mirror where the reflecting surface is curved inwards is called a
There are total _________ parliamentary seats (Lok Sabha constituency) in West Bengal.