Q: The bonds of that which when heavy is deuterium cause what to expand when it freezes?\nOptions:\n- (A) matter\n- (B) rings\n- (C) CO 2\n- (D) liquids\n- (E) gas\n- (F) solutes\n- (G) cations\n- (H) water
Let's think step by step below.

User
Hydrogen bonds cause water to expand when it freezes. Deuterium, or heavy hydrogen, is an isotope of hydrogen, or a hydrogen atom with a neutron added. The bonds of that which when heavy is Deuterium cause water to expand when it freezes.
Thus, the answer is (H).
Assistant