What is the main function of the water cycle?
About how much water disappears from Earth each year?
It's snowing and 30°F. If the temperature increases to 36°F, which of the following is likely to happen?
Which stage of the water cycle is driven mainly by gravity?
Which stages of the water cycle are driven mainly by energy from the Sun?
Which object is part of the process of transpiration?
How do the particles in water vapor change during condensation?
Which statement best describes the relationship between weathering and erosion?
During a thunderstorm, water flows down a hill into a river. Which term best describes this water?
Which evidence supports the claim that only a small amount of Earth's water is usable?