Answer:
Knowledge- Verb
Heroism- Common noun
Truth- Common noun
Life- Verb
Coldness- Adjective
Captaincy- Common noun
Explanation:
According to the Help Box, the suitable root words for the abstract nouns have been out in their appropriate columns.
*A noun is a naming word that provides the name of a person, animal, place, thing, etc.
An adjective describes or modifies a noun or adverb in a sentence.
A verb is an action word.
I believe it is C-available by prescription but I am not too sure. Cocaine is used by physicians and for other medical purposes so it could be prescribed.
The sentence is using the word "was" instead of the word "were". Using "were" is appropriate for talking about the past tense for plural things. Simply change the words. Hope this helped :))