This statement is not logical, because there can still be other farmers, who are not so generous. It's Illogical, although I would rather call it induction:generalisation from a small sample to a bigger sample.
The correct answer is C. By showing that most students are not tardy because of doctor's appointments.
Explanation
A counterclaim is an argument that contradicts or opponents the main claim of an argument. In this case, the counterclaim is "Some residents believe that this is due to early morning doctor appointments" because these sentences oppose the idea of the author about making schools have starting time every day. Additionally, the author responds to the counterclaim by saying "Only eight percent of those students had medical excuses". So, the correct answer is C. By showing that most students are not tardy because of doctor appointments.
The answer is C. He hopes that Duncan will wake and prevent the murder
Answer: No, his experiment is not designed correctly.
Explanation: He didn't use the same measurements in each experiment. He should've either buried them all in the yard, or she should've kept them all in pots. Not having them in the same environment could affect the results of his experiment, thus making it inaccurate.