Answer:
His purpose is to convey a negative tone toward the tractors. They are similar to insects that destroy crops, and just like a plague of insects, the tractors are virtually unstoppable.
Explanation:
He think basically that tractors destroy things and are unstoppable just as insects do with plagues
Answer:
Anything that can be answered with yes or no. Examples can include:
1. Are we going back to school next year?
2. Is she working today?
3. Did it rain yesterday?
4. Do you work here?
5. Are you busy?
Explanation:
Rising intonations are questions that can be answered using yes/no.
What is your question? Are you suppose to give the definitions?
Going from what is shown, I'd say the last sentence is correct, considering that it doesn't have a comma.