Answer:
C. Immediately and instantly
Explanation:
Definition of immediately: at once; instantly
Definition of instantly: at once; immediately
Both are interchangeable
Answer:
D. Bannecker lacked formal training, yet his achievements are notable.
Its so you don't lose interest and so that it catches your eye so you engage in reading
Answer: A panic attack is a sudden onset of intense fear. It is usually very short.
Explanation:
Passive because the subject of the sentence is acted on by the verb.