Q: In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Fact1: when metal conducts heat , that metal expands, Fact2: When a metal rod is warmed, the transfer of heat is by conduction., Question: When metal is warmed, the transfer of heat does what to metal? (A) expands (B) Energy. (C) breaks (D) blossoms (E) burning (F) voltage (G) improve (H) decreases
A:
A