Final answer:
Arab merchants would trade with India to obtain cotton and with North Africa to obtain salt. They could offer perfumes, ivory, or other luxury goods in exchange.
Step-by-step explanation:
Arab merchants would trade with India to obtain cotton, as India was a major producer of cotton textiles. Arab merchants would trade with North Africa to obtain salt, as North Africa has deposits of salt mines.
Arab merchants could offer a variety of goods in exchange for salt or cotton. Some examples include perfumes, ivory, or other luxury goods that were in demand in different parts of the world.