The more carbon dioxide, the more the atmosphere warms up due to the greenhouse effect.
Greenhouse effect- greenhouse gases trap the suns heat making the earth warmer
I would say B) On a Cattle ranch. Ranching is a business whereby you are raising livestock.
The Mississippi River has many small tributaries, but its primary tributaries are the Ohio River and the Missouri River. The Amazon River also has a large number of tributaries, including the Rio Negro, which is one of the largest rivers in the world in terms of volume. The Nile’s primary tributary is the Atbara River.
I think cities but is this about country
B) Granite is an igneous rock.