_________ is a natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky, especially near the northern or southern magnetic pole.
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Who won the first medal for India at the Rio Olympics?
Who was the first Governor General of Bengal?
Soda water was invented by
Pentlandite is an ore/mineral of _______.
In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Extreme or indefinite to be adequately described.
Which of the following micro-organism causes diseases like polio and chicken pox?
to teach a person to accept a set of beliefs uncritically