Answer:
choice a
Explanation:it would make sense if you say he dinosaurs have gone extinct, but we still don know the reason for their extinction. hope this helped. have a nice day!!
Answer:
junos principal goal is to understand the origin and evolution of Jupiter
Explanation:
Interrogative statements ask a question, imperative statements give a command, and indicative statements make a statement.
So, because there is only one statment in the question format, the answer is B.
Hope this helps!