When heat from the sun turns water into water vapor this is called? A) condensation
B) runoff
C) precipitation
D) evaporation

D) evaporation

Explanation: Evaporation is when the sun heats up water in rivers or lakes or the ocean and turns it into vapor or steam. When water at the ocean's surface is heated by the Sun it gains energy. With enough energy, the molecules of liquid water change into water vapor and move into the air.