Ozone is represented as _____.
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Which one of the following is not a non-conventional source of energy?
In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.Just punishment for wrong doing
In the following question, out of the four alternatives, select the word similar in meaning to the word given.Stringent
Choose the most appropriate answer:Natural radioactivity was discovered by
Natural radioactivity was discovered by Henri Bacquerel.
An anemometer measures which of the following ?
What is main root of plants called as?
Who is known as father of computer?