<em>After World War II, many people moved from the cities to _____.
</em>
suburbs
When an El Niño kicks in. During an El Niño, the trade winds weaken in the central and western Pacific. Surface water temperatures off South America warm up, because there is less upwelling of the cold water from below to cool the surface.
The tilt of the axis can cause more/less sun light and depending on what hemisphere youre on, you can be farther away from the sun.
Answer:
C.They are made mostly of limestone.
Explanation:
Valley regions are mostly made up of limestone. the valleys of Ridge and Valley region are made up of sedimentary rock such as Limestone, dolomite, and shale. These limestone are extracted from these valley and use in the production of gypsum and other industrial products. Valleys are present at various height above sea level.