20 !

1. which of the following were among the most valuable trade goods produced in the arab world?

a. cotton textiles

b. silks

c. furs

d. spices

2. why did muslim architecture incorporate roman and byzantine elements?

a. the arab muslims were conquered by the romans.

b. many romans lived in the arab muslim empire.

c. the romans and byzantines once ruled some muslim lands.

d. muslims valued roman and byzantine architectural styles the most.

1. The Arabs have been known for many high-quality and valued products, which also include spices, but among the most valuable trade goods were cotton textiles.

The answer is: A.

2. Muslim architecture and entire heritage include the remains and influences of older civilizations such as Roman and Byzantine. Namely, after the emergence and expansion of Islam, by forming caliphates, Muslim  scientists and scholars carefully collected and preserved all knowledge in the field of science, art, architecture and other fields, creating invaluable libraries of previous knowledge. Thus in those countries where the Romans and Byzantines once ruled, all those influences and knowledge were collected and incorporated into Islamic architecture and culture in general.

The answer is: C.

answer; /// i believe that the correct answer is (divison of labor);

he discover   the sea route around africa hope that ! : )

explanation: