I would say that "constant cry" and "Chesterton's cat" are the obvious ones. However "echoed in our ears" is a pretty subtle one that you can definitely make a solid argument for.
Answer:
C
Explanation:
C because it shows how the wetlands are decreasing, and plus it adds more evidence to the speech.
Answer:
I would have the half days at the end of the school year already marked. I would have it show times for the class switches. For example when you go next to your school calendar it would say 11:xx switch from math to lunch. You could also have your own personal calendar that tells you when your clubs are. This would work in the same way as the other calendars.
Explanation: