Answer:
A.
Explanation:
A.
A complete protein is a food source that contains all the essential amino acids.
First The meaning of sublimation is a chemical process where the solid change into a gas without going through the liquid stage.
The conditions necessary to occur are:
1- Need the pressure to be lower than the triple point.
2-The temperature must be high enough to produce a gas.
3-The substance must be in its solid state.