You must understand that matter can be in any one of three PHYSICAL states, liquid, solid or vapor ( a gas ).
Changing physical states is not a chemical change, but a direct result of heat or cold application.
The two classifications for the changes that matter undergoes are physical and chemical changes.
pure substance
The two types are chemical and physical changes.
For example melting and evaporation.
the substance is substance
what is the answer
pure substance
pure substance
The two classifications of critical information are unclassified and classified.
The two classifications of critical information are unclassified and classified.
The two classifications of critical information are unclassified and classified.
The two types are chemical and physical changes.
The two classifications are: soprano (high voices), and alto (lower voices)
heat and pressure
For example melting and evaporation.
the substance is substance
There are two terrestrial planets in the solar system with ever-changing surfaces: Mars, which constantly undergoes minor changes due to sandstorms, and Venus, the surface of which is molten.
I would suggest temperature and pressure.