Create an impermeable layer (i.e. asphalt).
Details: Use terrain color to indicate a layer where the water just stays there for a time and evaporates without infiltrating the ground.
When you're finished, make your project public and share the link below. Make sure to include:
- Why did you choose this challenge question?
- The URL for public link.
- What did you struggle with most?
- Is there anything else you still need help with?