Please help me!! The river valleys of the Tigris-Euphrates, the Nile, and the Indus were centers of civilization because they

a. had rich deposits of iron ore and coal

b. were isolated from other cultural influences

c. were easy to defend from invasion

d. provided a means of transportation and irrigation

What groups did the nazis single out for extermination ?

The colonists accused king george 111 of the great britain of being a tyrant and made specific complaints against him.what were the two main complaints made against king george?

How are the perspectives presented in the excerpts similar? they show the disappointment and fear mission control workers feel when the lunar module develops problems. they show the huge investment of time and energy mission control workers dedicated to the lunar module. they show how mission control workers view the lunar module as if it is the workers' very own child. they show the relief and excitement mission control workers feel when the lunar module lands on the moon.