They want to donate cause they want to help people who needs help.
Answer: Option (b) is correct.
Explanation:
Correct Option: Licenses
In United States, there is a licensing system which prohibits the number of taxicabs allowed. So, there are less number of taxicabs companies operates in most of the united states cities.
There is a advantage for the taxicabs companies for using the monopoly power.
Whereas, some of the cities of U.S use 'taxi medallions" as the permits for picking up the passengers.
<span>To examine the leaf of a plant, one should use a magnifying glass which holds a convex lens. A convex lens allows parallel light rays to pass through then refracts the rays so they meet on one principal point. This type of lens is useful in seeing something small.</span>
