Is a changes which is reversible no new substance is made.
I think you mean physical. And it's when the appearance of something changes.
Physical Changes
what is marijuana physical changes
There are no physical changes. there are only chemical changes.
Reversible changes and physical changes are not exactly the same. Reversible changes can be undone and the original substance can be recovered, while physical changes alter the appearance or state of a substance without changing its chemical composition. Physical changes are usually reversible, but not all reversible changes are physical changes.
physical or chemical changes
Physical changes in a substance result in
No, moment of inertia cannot be negative as it is a physical quantity that represents an object's resistance to changes in its rotation. Negative values for moment of inertia do not have physical meaning.
Not all chemical changes are accompanied by a visible physical change. Most chemical changes however will be accompanied by a physical change.
its physical changes
Burning
Melting and boiling are physical changes.