 
<translate> Nri bụ ụmụ irighiri ihe ndị dị ndụ bụ́ ndị na-echekwa ike n'ime ihe ndị na-eme ka ha na ibe ha na-adị ná mma. N'ụzọ bụ́ isi, okpomọkụ bụ ike. Nri bụ ụmụ irighiri ihe ndị na-echekwa okpomọkụ n'ime ihe ndị na-ejikọ ha. Azịza ya bụ (A). <eng> Food consists of organic molecules that store energy in their chemical bonds. Basically, heat is energy. Food consists of organic molecules that store heat in their chemical bonds.
So, the answer is (A). 