Before the spread of islam throughout the east, non-christians in the area had felt a. free b. isolated c. liberated d. persecuted

In 1915 the german geologist and meteorologist alfred wegener first proposed the theory of continental drift, which states that parts of the earth's crust slowly drift atop a liquid core. the fossil record supports and gives credibility to the theories of continental drift and plate tectonics.

Ahill is made of rock particles of different sizes. which of these agents of erosion probably causes the hill to form? a- waves b- glacial ice c- wind d- flowing water

:calculate the sum of the interior angles of a 13-sided polygon.