 
 <translate> Mammals conserve body heat with their hair or fur. Heat is emitted energy. Mammals conserve body energy with their hair or fur. So the final answer is (B). <ibo> Anụ ndị na-enye nwa ara na-eji ntutu ma ọ bụ ajị anụ ha echekwa okpomọkụ nke ahụ ha. Okpomọkụ bụ ike a na-ewepụta. Anụ ndị na-enye nwa ara na-eji ntutu ma ọ bụ ajị anụ ha echekwa ume ha. N'ihi ya, azịza ya bụ (B). 