There is no following to your question so I'm not sure how I can answer it!
D) When the seasons change, the trees lose their leaves and color.
This is addition is an adverb clause as it is a group of words functioning as an adverb and provides information on the conditions that the sentence takes place under.
Answer:
1. Courtesy.
2. Manners.
3. Clarity.
4. Purpose.
Explanation:
1. Courtesy: Dennis uses a polite tone and always makes a request instead of a demand. Courtesy is an act of acting politely and an expression of humility.
2. Manners: Renata takes care to use the right volume, rate and tone of voice when speaking. Manners describes the way an individual performs an action such as form, method, style etc.
3. Clarity: Felicity speaks clearly and deliberately so that everyone can follow what she says. Clarity entails being clear, vocal and eloquent while talking.
4. Purpose: Mateo introduces himself first, and then explains why he's making the call. Purpose describes the reason or intent for performing an action.
Answer:
(a) Yah! Just lemme get over it alone.