Answer:
Because you can physically see the object melting when it comes to the melting point. The objects texture, color, temperature, shape, and state of matter (solid, liquid, gas) are possibly changing.
B. light reflects off of the t shirt and enters the human eye
Http://www.chem4kids.com/files/elem_pertable.html this should help.
Answer:
in supernova gold can be turned into lead.
its practical to obtain gold from lead
hope this helps you☺️☺️
