Can anyone tell me about post-classical Islam

Explanation:

Muslim merchants, pilgrims, and missionaries traded over the Silk Road. Maritime trade in the Red Sea, Persian Gulf, Arabian Sea, and Indian Ocean increased. ... As Muslims made the pilgrimage to Mecca (Hajj), mosques and inns were established. Over the centuries these pilgrims helped to spread Islamic beliefs and values.

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the following sets of characteristics describe what we know about the outer plants is c. rocky surface, closet to the sun and larger in size