What is an example of temporary change

A temporary change, is a change that doesn't last long.

physical change is temporary change . ( such as from solid to liquid or from gas to liquid ) like crumpling a piece of paper .

Codominance is when alleles have the same amount of dominance and both are expressed in a heterozygous individual(ab blood type, roan cow). in a heterozygote with incomplete dominance, the phenotype seen is an intermediate of the dominant and recessive phenotype.(pink flowers when the dominant form is red snd recessive form is white)