Necessary and Proper Clause
Answer:
D: Private Good
Explanation:
It is a private good because it is excludable and rival in consumption
Answer:
Neptune is the eighth and farthest-known Solar planet from the Sun. In the Solar System, it is the fourth-largest planet by diameter, the third-most-massive planet, and the densest giant planet. It is 17 times the mass of Earth, slightly more massive than its near-twin Uranus
Explanation: