Where is the Christian population concentrated? in the United States

in North America

in Europe

all over the world

Which is a result of the emission from the use of fossil fuel

What empire controlled most of the middle east except for a few years between 1516 and 1917, where was the capital of this empire located and what was the geographic extent of this empire?

Seasons are a result of: a.) earths rotation on its axis b.)earths tilt on its axis c.) global air circulation patterns d.) global humidity circulation patterns