Which crop did the islamic empires mostly rely on that had thrived in their lands for centuries?        

Which statements are accurate about snow flakes

Which of the following statements best explains why there tends to be a greater number of large cities in southern africa than the east africa

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation