Select the most appropriate option that can substitute the highlighted word in the given sentence.
The bacteria in the roots of leguminous plants submerge nitrogen in the soil to compounds.

Correct option is C

The correct substitution of the highlighted words is (c) convert.
Explanation: The correct word to describe the chemical change from nitrogen to compounds is convert. “Submerge” is incorrect here as it means to plunge into a liquid.
Grammatical rule used: Use the correct verb that matches the action logically and contextually. “Convert” is a transitive verb used for changing form or nature.
Example: Plants help convert sunlight into energy.
Information Booster:
"Submerge" is a verb used for dipping something into water (like: He submerged his hands in water).