does this interpretation apply for adverbs+verbs as well?

what is the use of an adverb

Which of these reduced adverb clauses might cause confusion? 2AtsakymasLooked after carefully, I can make my car last for years.Having run half of the race, my T-shirt felt as if it was sticking to my back.Faced with rising costs, many companies are going out of business.Opening the door, I began to feel scared.

The bold word is a verb. Which adverb describes it?

What is the adverb in the sentence: "She danced the ballet gracefully."

Which of the following is a common error in using adverbs?Answer areaUsing adverbs to describe verbsUsing adverbs to compare actionsUsing adverbs toemphasize adjectivesUsingadverbs to indicate frequency