Godfrey Hibbert for American Public Media

Lava vs Quicksand

Two natural phenomena go head-to-head in our final match-up of the season. It's ooey, gooey molten lava versus tricky, shifty, fast-acting quicksand. Both are dangerous, both are fascinating, only one can win. It’s Lava vs. Quicksand!

Which side are you: Team Lava or Team Quicksand? Vote here!

And click here to share your debate ideas with us!

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