Either A or D I think. I’m not sure. Most likely A.
The answer for the question would be A.
He studied the fossils' age and how tall the mountains are. He also studied how old they are. I don't know about Coal Beds but he also used balloons to find out the continents were once a big supercontinent called Pangaea and they apparantly drifted apart
To provide a source of wealth (hopefully gold and silver) and to establish an English foothold against potential Spanish expansion in the New World.
The Byzantines spread Christianity mostly by sending out missionaries for the Greek Orthodox Church.
