I sharpened my skills under the mentorship of my coach.
You need a noun to complete this sentence, and mentorship is the only noun here - the rest of the words are adjectives.
Answer:
C. Alcohols
Explanation:
More bodies of warter are being contaminated by oil spills and pesticides,ethanol and dangerous metals
Answer:
Its a non luck day but the weather is better
Uttering words in a low tone. Like if talking by to themselves.