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The phrase "at a time" is used to indicate that something is done or considered in a specific period or instance. It implies that we should concentrate on a single task or activity at any given moment. The use of "in the time" is incorrect in this context. It doesn't convey the intended meaning of focusing on one thing at a specific point in time.Therefore, "at a time" is the appropriate prepositional phrase to use in this sentence.
Which substance is a multibranched polysaccharide of glucose used for energy storage in animals and fungi?
Which of the following element is used for the manufacture of the safety-matches?
Aromatic hydrocarbons contain at least how many benzene rings in their molecules?
Which acid is found in vinegar?
Kindly Study the following questions carefully and choose the right answer.
The site where complete digestion of carbohydrates, proteins and fa...
What is the hybridization of carbon in ethyne (C₂H₂)?
What is dehydration?
The process of depositing a layer of any desired metal on another material by means of electricity is called:
Anemometer is used to measure –
The anode in a dry cell consists of: