Q1: I used the Intersect Tool on the second trial of the exercise. I had the results of both methods on the map, and compared them by turning one or the other off and on several times. I could not find any differences. The Intersect Tool was what I had expected to use as I worked the problem the first time. Using the Union Tool was a good demostration of the princilple that there are always several ways to reach the same result.

Q2: I used the Erase Tool to eliminate the parts of the selected areas that overlaped the conservation areas. That seemed to be the most efficient way to remove sections that needed to be excluded in the final analysis.

Q3: There were 72 features in the final layer. The largest has an area of 7,765,034 square meters, and the smallest is 748 square meters.