Boiling and evaporation are forms of

There are two types of vaporization: evaporation and boiling. Evaporation is a phase transition from the liquid phase to vapor (a state of substance below critical temperature and critical pressure) that occurs at temperatures below the boiling temperature at a given pressure. Evaporation usually occurs on the surface.

Explanation:

vertical merger is the term used for the joining of two or more firms involved in different stages of producing the same good or services.

explanation:

a is the final ! : )