What are 4 types of air masses that affect the continental us?

The volume of the triangular prom is 54 cubic units

Which statements explain how lakes form? check all that apply. lava flows block a river. streams flow into shallow areas. groundwater feeds into low-lying areas. ice sheets leave depressions that fill with water. movement of earth’s crust creates low areas that fill with water.

The images show two different fronts.which fronts are shown? item a shows a cold front, and item b shows a warm front.item a shows an occluded front, and item b shows a cold front.item a shows a warm front, and item b shows a stationary front.item a shows a stationary front, and item b shows an occluded front.