Air mass, letter a is the correct one
It is hotter upstairs because heat rises up and gets trapped in the highest point of the building or structure.
I'm thinking A. Because uniformitarianism means the theory that changes in the earth's crust during geological history have resulted from the action of continuous and uniform processes.
Answer:
D. Spain
Explanation:
Every other country on the list possesses nuclear weapons. The reason why Spain has none is that Spain plays a big role in supporting a world free of nuclear weapons. There are many activists and organizations in Spain that aim to raise awareness of the dangers that nuclear weapons pose to the global population. More than 90 Spanish parliamentarians are in favor to ban nuclear weapons.
