Which of the following is a chemical change? (1 point)
a. ice melting
b. ice being carved
c.water boiling
d. water breaking down into hydrogen and oxygen

The option which is a chemical change is D. water breaking down into hydrogen and oxygen.
A, B, and C are all physical changes because only the physical state of these elements is changed. In D, the atomic structure of the elements is changed, which is why it is a chemical, not a physical change.

Meat or bone and it should say tame