Answer:
C
D
Explanation:
The processes of freezing sublimation releases heat to environment.
Freezing is a phase change by which a liquid changes to solid.
Sublimation is a phase change in which a gas changes to solid.
- Phase changes by which a substance returns back to the state of orderliness involves a loss of heat.
- Sublimation is can be from solid to gas or gas to solid.
- In the process from gas to solid, heat is released.
- But from solid to gas, heat is absorbed.
