Answer:
primary source
Explanation:
Its an excerpt from FDRs speech, therefore it is primary
He would have to push on it creating a torque that causes angular velocity of the merry go round to change.
Answer: B, (ghost)
Explanation: Unsure of how 'apparition' was used in Line #3 of Alexander Pushkin's poem but I'm fairly sure that B (ghost) is your best bet due to the fact that the dictionary definition for apparition is a ghost or ghost-like image of a person.
C
C
B
B
A
C
C
B
D
A
Didn't ever read this so just looking at the question I went with what possibly could've made sense to the story<span />