If you are unaware you don't know what's going on, but if you are unconcerned you know what's going on but you just don't care.
"I am very sorry for the delay." The waiter apologized. "but, your dinner will be ready in just a moment."
Answer:
Which mission did Sally Ride fly for NASA?
Explanation:
A direct object is a noun that denotes the <u>recipient</u> of the action of a verb.
In the sentence 'Which mission did Sally Ride fly for NASA?', the word mission is the recipient of the action of the verb fly (used together with the helping verb did to show that this action happened in the past.)
I’m Pretty Sure It’s 1,2,3,5,4