because it give a food
The most important thing for your to remember is that in a physical change the composition of a substance does not change and in a chemical change the composition of a substance does change.
did the composition change
The importance of physical change is that :-1) No new substance is formed.2) It is a temporary change.3) It is easily reversible.4) Very little heat energy is absorbed or given out.The mass of a substance does not alter in a physical change.
Crumple is a physical change.
to classified weather it is a chemical or physical change :))
Physical
a change in size, shape or the state of matter is a physical change. True for A+.
physical change
I Physical Change.
Volume is a physical quantity not a change. However CHANGE in volume is a physical change.
Both chemical and physical changes are important in different contexts. Chemical changes involve the formation of new substances with different properties, while physical changes involve a change in appearance or state without forming new substances. The importance of each type of change depends on the specific situation or process being considered.
It is possible to have a major change on health without any major symptoms. Also, some conditions have a very gradual onset and it is possible to overlook these symptoms, even when a major change has occurred.