Question

the picture below shows the melting of an ice cube. before after the ice cube changed because it a cooled. b warmed. c hardened d evaporated.

Explanation:

Melting of ice - cube occurs when heat is added. When an ice - cube warms up, it changes from solid to liquid state. Cooling would keep it solid or make it colder, hardening is not the cause of the change shown, and evaporation refers to a liquid changing to a gas, not the solid - to - liquid change here.

Answer:

B. warmed