|A ____ (isoline) joins points of equal elevation (height).
|Rain, snow, hail, and sleet are examples of ____.
|The distance in degrees north or south of the equator is ____.
|More water ____ in the air increases the relative humidity.
|The molten rock below the Earth's surface is called ____.
|Most weather fronts produce precipitation and a ____.
|The Earth's ____ is composed of hot liquid iron and nickel.
|Severe thunderstorms sometimes produce ____ (ice balls).