Which of the following is correct?

1. Evaporation is a surface phenomenon, which means particles from the surface change into the vapour state.

2. Boiling is a bulk phenomenon, which means particles from the bulk (whole) of the liquid change into vapour state.

3. Deposition is the change of gaseous state directly to solid without converting into the liquid state.

4. The state of matter can be changed by changing its temperature only.