Answer: Hyperbole
Explanation: A hyperbole is where you exaggerate in a sentence. " I waited a million years for my ride to get to the house" is an exaggeration because it is not possible to wait for a million years to get home.
Well saying dunno is an error in formal/academic writing. In academic writing you would have to write, i do not know, though.
I don’t understand this question
Answer:
"the real reasons we explore space are more emotional and value-driven."
hope that helped <3
