Sagot :
Wax has been used for thousands of years by humans. This leads us to conclude that wax is susceptible to heat where it generally melts into a highly viscous liquid and hardens once it returns to room temperature. ...
Wax has been used for thousands of years by humans. This leads us to conclude that wax is susceptible to heat where it generally melts into a highly viscous liquid and hardens once it returns to room temperature. ...