What is groundwater?
What is a well?
What is a hot spring?
What is a geyser?
What does "porous" mean?
What is freshwater?
Why is soil important?
Where does tap water come from? Is it different from bottled water?
What is a drought?
Here are some questions about this topic.
Click the question to read the answer!
Ask another question about this topic!
See a Full List of Topics
© 1999–2013 BrainPOP and BrainPOP's Licensees. All rights reserved.
Your use of the site indicates your agreement to be
bound by our