question: Anya placed an ice cube on the sidewalk on a warm day. The ice cube soon melted to form a puddle. What process caused the ice cube to melt?
choices.text: Heat transferred through the ice cube by convection. Heat transferred from the air to the ice cube by radiation. Heat transferred from the air and the pavement by conduction. Heat transferred through the ice cube into the pavement by conduction.
choices.label: A B C D