A Level Geography - Earth Life Support Systems -correct answer_A Level Geography - Earth Life Support Systems How is water important in supporting life? -correct answer_- Water provides a medium that allows organic molecules to mix and form more complex structures. - Water helps to create benign thermal conditions on Earth. For example, oceans (occupy 71% of Earth's surface) moderate temperatures by absorbing heat, storing it and releasing it slowly. - Clouds made up of tiny water droplets an...