Answer:
A pure solid is heated and turns into a pure liquid.
Explanation:
No colour change recorded, only change of state, hence this is a physical change - physical changes I.e. change of state and temperature are not chemical reactions.
X is usually representing time so years, days, etc
Organisms that share many derived characteristics are probably more closely related
Physical properties of metal include shiny, ductile, opaque, malleable and good conduction of heat and electricity
Answer:
kinetic energy
Explanation:
Thermal Energy, Temperature, and Heat. Thermal energy is kinetic energy associated with the random motion of atoms and molecules.