Chemical.
No, a decaying compost pile is not an example of a physical change. The process of composting results in a different physical appearance or state -- which is physical change -- but it is not reversible and necessitates a change in structure -- which is chemical change.
Chemical.
It has both chemical and physical components Chewing, of course, is a physical process. Additionally enzymes in the saliva and stomach break down food chemically.
A physical change
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Yes, kitchen scraps composting is a chemical change. During composting, the breakdown of organic matter by microorganisms releases heat and results in the formation of new compounds through chemical reactions. This process transforms the original kitchen scraps into nutrient-rich compost.
Physical change of the paint, not the door.
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.
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.
Chemical broooooooooooooooo niga