scarcity is correctly described by which of the following statements?
1. scarcity exists if there are more uses for resources than can be satisfied at one time
2. scarcity exists if decisions must be made about alternative uses for resources.
3. scarcity would not exist if a society in which people wanted to help others instead of themselves.
a. 1 only
b. 2 only
c. 3 only
d. 1 and 2 only
e. 1, 2, and 3 only