Breathing is a chemical process. When air is breathed in, it reacts chemically; when a person breathes out, they release more carbon dioxide than they breathed in, and less oxygen.
it is a chemical change
Crushing charcoal into powder is a physical change, as it alters the size and shape of the charcoal without changing its chemical composition.
Chemical broooooooooooooooo niga
Physical - there are no chemicals involved
It's a physical change why are some people f$#@%ing stupid and saying a chemical change??
A physical change
Physical change of the paint, not the door.
it is a chemical change
An acid is a chemical compound, not a physical or chemical change.
It is a physical change.Density is not a chemical property. Instead, it is a physical property.
Crushing charcoal into powder is a physical change, as it alters the size and shape of the charcoal without changing its chemical composition.
Chemical broooooooooooooooo niga
Physical change
Physical change is a change in the structure. Chemical change is a change in the composition. Melting is a physical change. Complexing is a chemical change.
A change in temperature can change the rate of physical or chemical change.
Burning is a chemical change.
Don't take only my word for it, but, i think it would be a chemical change because if you think about it you are inhaling oxygen and exhaling carbon dioxide. Which would make it a chemical change, but I am not 100% positive.