Which animal messes up with Ms. Greene’s yard?

=> What happens when the narrator calls Mr. Greene, “Mrs. Greene” ?
=> What does the narrator do on Saturdays and Sundays?
=> Which animal messes up with Ms. Greene’s yard?
=> Why does the narrator ask Ms. Greene to save paper and aluminum cans?
=> Did the narrator succeed in getting Ms. Greene to do something about ecology?
=> What is a compost pit?
=> What does Mr. William mean by noise pollution?
=> Why is burning of leaves bad to air?