How is this a English question?
Answer:
Rec·i·proc·i·ty
The practice of exchanging things with others for mutual benefit, especially privileges granted by one country or organization to another.
Explanation:
A tea bag. Makes the tea stronger longer it's in.
Answer:
B to connect different parts of speech
Explanation:
they do this to make it so that it is easier for the reader to understand the passage.
depends on what they are talking about or doing but normally they may be suspenseful or up beat it all boils down to what subject it is