You are presented with the question "Ice crystals can resist what?" and the following answer choices: 
- scattered light
 - power
 - erosion
 - salt and water.
 - sun's heat
 - salinity
 - Temperature
 - kinetic energy

Now knowing that the sun causes water to evaporate more quickly by adding heat and ice crystals resist evaporation, choose the best answer.


 

     sun's heat    