How is the fed different from other central banks

Their is no difference between the fed and central bank except that the central bank is called  "fed" in the U.S unlike how it is called in other nations of the world

Explanation:

The Fed (Federal reserve system) is the same thing as the Central Bank of the United State of America. It functions is the same but the name of the central bank in the United State is known as the Fed. It functions as the organ responsible for all monetary policies  either through money supply, raise interest or lower it and any other policies to the growth and development of the economy of the U.S

However, it must be stated that there is no difference between the two other than the name that is called in the U.S

the answer is prolly b

equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.