Synopses & Reviews
Synopsis
Why do we need water? Almost two-thirds of your body weight is water. Although you can go weeks without food, you would only last a few days without water. Plants also rely on water for life as they use it to make their own food. Almost every food web in the world starts with plants. That means that without water we would be very hungry as well as thirsty. Read this title to find out more about where the worlds water supplies come from, how we use water, and why we need to use less.