The Earth's true shape is called: A Oblate Spheroid. It might just look like a regular circle, but it's not. It's actually a Oblate Spheroid.
I know this because I did some research online.
Hope I helped!
- Debbie
Answer:
hill is a natural landform that extends above the surrounding terrain whereas a mountain is a large natural landform that extends above the surrounding terrain, usually forming a peak.