In the following question, select the odd letter/ letters from the given alternatives
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Who invented the bifocal glasses?
Who won Nobel prize for Physics in 2015?
In a food chain, what is the difference between primary consumers and secondary consumers?
Family is important to the socialization process because:
Which of the following is the cleanest source of energy?
___________ is obtained by evaporation of sea.
Which is the closest star to our solar system?