Earth’s atmosphere is a layered, protective blanket, and the 2 questions examined describe its composition and function. Additional questions explore phenomena such as auroras and explain how air poll
Describes the cycle of water on the Earth's surface, including information on evaporation and transpiration, types of precipitation, and the difference between fresh water and salt water.
After absorbing the 2 questions and answers presented in this book about the Earth’s oceans, you will know why the ocean is blue. Core concepts such as why there are currents and tides and how polluti