Facts101 is your complete guide to Physical Geography, Science and Systems of the Human Environment. In this book, you will learn topics such as The Earth as a Rotating Planet, The Global Energy System, Air Temperature and Air Temperature Cycles, and Atmospheric Moisture and Precipitation plus much more. With key features such as key terms, people and places, Facts101 gives you all the information you need to prepare for your next exam. Our practice tests are specific to the textbook and we have designed tools to make the most of your limited study time.