Would it be the mantle? It's the deepest layer and obviously the hottest.
All States except Delaware, South Dakota, Alaska, North Dakota, Vermont & Wyoming.(6 states doesnt)
I think it is A.burning of fossil fuels
The answer is c I hope this helps
In 1912 Alfred Wegener (1880-1930) noticed the same thing and proposed that the continents were once compressed into a single protocontinent which he called Pangaea (meaning "all lands"), and over time they have drifted apart into their current distribution.
