Shouldn't I know the peom before answering?
Just asking;)
Answer:
it is (b), what the curtains sound like, which creates a suspenseful mood.
Answer:
Arm: Supports the tube and connects it to the base.
Base: The bottom of the microscope, used for support.
Answer:
2.the problem faced due to social exclusion
A. German is used to describe "flag", and it is proper because it is capitalised