Which of the following is an example of a physical change?
a. a piece of iron being heated until it melts
b. silver jewelry tarnishing
c. a piece of wood burning
because you can turn the melted iron back to the solid it was before
earths energy balance must be in the temp or something like that
my answer would be c knowing what your income is
sorry if im wrong if i am i guess it would be d
a. a piece of iron being hea...