hi mr wood its jeremy from period 5 and this is what i learned from your presentation. i learned that at a certain temperature boiling water and bubbles can freeze and turn almost solid. also i learned that under the tundra there is about as much CO2 in the atmosphere. I also learned that the bubbles when popped on the ground will be the color of the bubble but looked like the bubble just got crushed with a foot. Next, i learned that to survive in alaska you should stay in a dry cabin. that is all i learned from mr woods presentation.