Download or read book Open Your Heart with Winter Fitness written by Lisa Marie Mercer and published by DreamTime Publishing, Inc.. This book was released on 2007 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: 6-Pack; The atmosphere is made up of layers of air that surround Earth. Temperature, air pressure, wind, and humidity are properties of air. Evaporation, condensation, and precipitation are stages of the water cycle, which move water through the atmosphere and back again. Climates are long-term weather patterns and can change over time.