Answer: C
Explanation: Erosion is when something breaks up over a long period of time, specifically rocks. If something is breaking up the shape of it will change, thus the answer is C, erosion.
If it's really cold where you are going to build you will have to insulate the house very well and the same goes for if it's really hot.
Answer:
Lunar eclipses
The only shape that casts a round shadow no matter which direction it is pointed is a sphere, and the ancient Greeks deduced that this must mean the Earth is spherical.
Explanation:
