Answer of this question is <span>volcanic eruptions</span>
A wall stands using gravity. It is constantly being pulled down. Many also place them in ways that they dig into the ground, and almost make a socket just for the wall to be placed, using the land that is there. More and more walls are placed and eventually, they make flooring and a roof.
Hope that helped!
The answer to your question is DRIED PLANT MATTER ❤️
Acid rain corrodes both stone and buildings. It can cause thousands of dollars of damage.
