How were the Sumerians able to grow crops in a desert climate? A. they used crops that do not need water b. crops do not need water c. they dug canals d. they had water carriers

What is the difference between the kurds and the shia muslims? a the kurds are a religious group while the shia muslims are an ethnic group. b the kurds and the shia muslims are religious groups. c the kurds are an ethnic group and the shia muslims are a religious group. d the kurds and the shia muslims are ethnic groups.