physical change ex:Ripping, cutting, folding. physically changing the appearance of something. Burning can be either a physical or chemical change.
Irreversible chemical change.
Physical
that is because salt is a physical matter
physical because water is H2O and ice is H2O also
A physical change doesn't involve chemical reactions, change of the molecule structure.The chemical reactivity is about the ability of an element or compound to realize chemical reactions.
a land formation
No.
a phyical model
There Is Alot
Yes it is.
strength
Roman "noses".