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The original sentence is correct in all respects. Option e) will be the correct answer. First word: Only 'stepped' is correct Second word: 'academic' and 'promising' are correct Third word: 'replaced', 'succeeded' and 'substituted' are correct Fourth word: 'authoritative', 'accurate' and 'authentic' are correct
Petroleum is a mixture of-
The scientific name of vitamin B12is :
What is the atomic number of silicon, a component of quartz?
The term Fire Ice is used for ___?
Ultra-purification of metals is achieved using:
Chloroquine is classified under which category of drugs?
Hydrogen was discovered by?
An element has an atomic number of 17 and a mass number of 36. How many neutrons are in its nucleus?
What is the Chemical name of Chromic Acid?
What is the chemical name of quick lime?