Hot vs Cold: A quiz about temperatures!
Coin
0
pts
Fire
0
streak
Your Progress
- Location
You are here
Question 1 out of 20
0/20
What is permafrost?

Image Credit: Brandt Meixell, USGS – U.S. Geological Survey from Reston, VA, USA, CC0, via Wikimedia Commons
Frozen water
Frozen trees
Frozen soil
Frozen rocks