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The highlighted part is incorrect as the adverb 'indefinitely' needs to be used as we need to qualify the action(verb) 'postponed'. II and III are incorrect for the same reason plus the use of an incorrect preposition 'at'. II can make the sentence correct and meaningful. B is the right answer.
Which of the following is also known as dry ice
How many moles of carbon dioxide are present in a gas jar containing 1.501 × 1022 molecules of CO₂?
Which of the following acids is present in an ant’s string?
Which of the following is used to initiate nuclear fission?
Which of the following is a compound?
The communication between the central nervous system and the other parts of the body is facilitated by
Consider the following three nuclear reactions:
Wh...
Which vitamin is also known as Vitamin-B2?
Supersonic speed is speed greater than the speed of sound (in air at sea level) that is to say around______ miles/hour.
According to a recent study, Groundwater in India is contaminated by which element?