What aspect of water makes it favorable to use in steam distillation?

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

One does not belong why? ice, gold ,wood ,diamond and table salt

Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?