- A volcanic eruption is a kind of quick process
- New land can be formed by volcanoes erupting by lava cooling
- Therefore, volcano eruption can quickly form a new land when lava cools down

Therefore, volcano eruption can quickly form a new land when lava cools down
Q: The principle of uniformitarianism states that most of the landscape of Earth was formed slowly and over a long period of time. Which occurrence of Earth is least supported by this principle?
Context:
- A volcanic eruption is a kind of quick process 
- New land can be formed by volcanoes erupting by lava cooling