Respuesta :
Answer: PENNY TARNISHING!
Explanation: Tarnishing is evidence of chemical change! The reason for this, is that the substances in the penny were changed, aka the tarnish! :) hope this helps pls let me know! And have a great night
Answer: PENNY TARNISHING!
Explanation: Tarnishing is evidence of chemical change! The reason for this, is that the substances in the penny were changed, aka the tarnish! :) hope this helps pls let me know! And have a great night