Respuesta :
A. It will melt; B and C don't make sense, for obvious reasons. And when something is heated up, its particles move faster, not slower.
When a metal is heated, its temperature increases and it will melt.
What is the effect of heat on substances?
When heat is added to substances, the particles of the substance acquire kinetic energy, the temperature increases and the particles moves faster.
When metals are heated, their temperature increases until they melt and turn to liquid.
Therefore, when a metal is heated, its temperature increases and it will melt.
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