Answer:
Arm: Supports the tube and connects it to the base.
Base: The bottom of the microscope, used for support.
Answer:
it could be either by or on.
on foot i suppose.
Explanation:
The statement that is the important difference between the two is that in Millay's poem, the speaker alludes to Penelope, but Penelope does not actually appear. The correct answer is B.
B- an allusion, as it mentions Brueghel's Icarus.