During a sea-breeze, cool air moves from the water to the shore. This happens during the daytime when the temperature of the land is: a lower than the water temperature and the air over the water is heated and rises. b lower than the water temperature and the air over the land is heated and rises. c higher than the water temperature and the air over the land is heated and rises. d higher than the water temperature and the air over the land is heated and sinks.