You have to compare to teacher to something else like: "My teacher is as sneaky as a fox" ; Something like that.
Answer:
Adult nightmares, for example, might be brought on by worry and sadness. Post-traumatic stress disorder (PTSD) is also known to induce persistent, recurring nightmares in a large number of persons. Adults might have nightmares as a result of various sleep problems. Sleep apnea and restless legs syndrome are examples of such conditions.
Explanation:
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C is the answer to your question
Answer:
A noun clause is a type of dependent clause that acts as a noun in the sentence.
An adverbial clause is a type of dependent clause that acts as an adverb in the sentence.
An dependent clause relies on the information from an independent clause to form a complete, logical thought.
An independent clause can stand alone in a sentence.