Study the image. A world map showing the Principal World Air Masses. The four major types of air masses are noted on the map.

Which air mass has formed immediately north of Antarctica in the image?

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.