The wheel weighs less than the rod. The wheel weighs more than the rod. The wheel is made of the same substance as the rod. The wheel is made of a different substance than the rod.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A blacksmith bends a metal rod into a round wheel. Which statement best describes the wheel?
Possibilities:
- The wheel weighs less than the rod.
- The wheel weighs more than the rod.
- The wheel is made of the same substance as the rod.
- The wheel is made of a different substance than the rod.

The wheel is made of the same substance as the rod.