Clara carries a glass of ice water outside on a hot day. she sets it down and rushes inside to answer the phone. when she returns, the ice has melted. what is the best explanation for what happened to the drink?

The warm air carried convection heat currents, which melted the ice molecules.
    In this scenario, Clara has left her glass of ice water sitting outside on a hot day while she rushes inside to answer a ringing phone. Upon returning back outside, the ice has melted. This is likely due to the warm air that is circulating carrying convection heat currents, this would melt the ice molecules.