 
<translate> Njikọ hydrogen na-eme ka mmiri na-agbasawanye mgbe ọ kpọnwụrụ akpọnwụ. Njikọ hydrogen Njikọ hydrogen bụ isi electrostatic na mmalite. Otu ihe nke na-esikarị n'ihe ndị na-eme ka mmiri ghara ịdị na-eme ka mmiri na-agbasa mgbe ọ kpọnwụrụ akpọnwụ. N'ihi ya, azịza ya bụ (B). <eng> Hydrogen bonds cause water to expand when it freezes. Hydrogen bonds Hydrogen bonds are primarily electrostatic in origin. Something that is primarily electrostatic in origin causes water to expand when it freezes.
Thus, the answer is (B). 