Physical characteristics include change in shape, size, texture, color, smell, density, boiling/melting point, solubility, etc., so any change with those properties would be proof of a physical reaction.
If the item or substance has changed into a state where you are able to change it back such as:
Water melting
Water freezing
Answer:
1.5a
Explanation:
HEY DEAR..
The particles of light known as photon.
HOPE ITS HELPFULL
a scientific question
this is because spreading it makes more sunlight hit the cloth which results in it drying faster
