Synonym of aesthetic is artistic..
1. We will move the party from the deck into the house if the neighbors complain about the noise being too loud.
2. I listen to rock but Matt prefers reggae, which happens to have some pretty talented artist such as Bob Marley.
3. The grass has turned brown because it can no longer receive any nutrients.
1. When fall comes in the north, the leaves turn red and autumn begins.
2. I tried on the new jacket that Edna gave me but, I couldn’t fit it so I told her thanks for keeping me in mind but returned it to her.
3. After we have lunch, Dad will rake the leaves or wash his car.
Answer: The forest growth in the understory was thick and dense; it was difficult to find the trail.
Your first option, "I have taken all the stress I can stand.", is a line of dialogue.
Dialogue is speaking/talking. The second and last options cannot be examples of dialogue because they are not being spoken (you can tell by the lack of quotation marks).The third option is also incorrect because it is what is written, as it says "the study reported" (the study does not speak). Therefore, the first option is correct.