The PPF curve shows a curved, negative relationship between two
goods. This means that an increase in
the production of one good requires
which of the following?
A. The greater sacrifices of the other good.
B. The smaller sacrifices of the other good.
C. The equal sacrifices of the other good.

answer: i think it might be the last one

explanation:

the language dates from the contacts of arabian traders with the inhabitants of the east coast of africa over many centuries. under arab influence, swahili originated as a lingua franca used by several closely related bantu-speaking tribal groups.

b is correct

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