Sohee Knows That a Round Ball of Clay Has the Same

Multiple Choice

Sohee knows that a round ball of clay has the same amount of clay as a hot dog made of clay. She reasons that they have equal mass because, although the clay as a hot dog is much shorter than the ball, it is also much longer. Sohee is demonstrating the type of reversibility known as

A) inversion.
B) compensation.
C) negation.
D) identity.