By tar, I think you mean nicotine. (I Hope). It affects the nerve signals that regulate breathing.
Answer:
You could thank them for all their hard work and talk about one thing this year that you enjoyed doing with them or something i guess
Explanation:
C. esophagus. it does not secrete any enzymes. its just do peristalsis. which is a rhythmic contractions and relaxations of muscles to push food along the gut
The farmers are seeing stronger bugs because not all bugs die to the amount of pesticide. Some areas are not spread evenly or some bugs are more resistant genetically.
C) is the best answer, because the stronger ones are reproducing in order to create new resistant bugs.
So,
Your Answer:
C
