Ice does not need to melt into liquid water before it can return to the atmosphere as water vapor.
select the best answer from the choices provided
t
f

True! 
Because if it has a high pressure, it can skip the liquid phase. The process is called sublimation. 

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

Must be negative.substance increases