What caused the extinction of the dinosaurs? One theory is that a large asteroid collided with the Earth, producing greenhouse gases that changed the Earth’s climate. Greenhouse gases are gases that trap and hold heat in the atmosphere. Some greenhouse gases include carbon dioxide, water vapor, and methane. Can you make a greenhouse gas with our Chemistry Table?
you found the letter d!
Peel back the layers and find your next clue at the exhibit that allows you to see beneath the skin!