When exposed to very high temperatures, metals like iron can be turned into fluids that flow and can be poured into molds. What happens within the iron to allow it to flow? A) The energy of the solid decreases, and the particles begin to collide with high frequency

B)The energy of the solid increases, and the particles begin to slide past each other

C)The solids collide at an increasing rate until reaching equilibrium energy

D)The particles vibrate about equilibrium in an effort to minimize energy

B) The energy of the solid increases, and the particles begin to slide past each other.

Explanation:

The energy of the solid matter is required to be increased so that molecules of the solid matter get separated from each other and an transition from solid matter to liquid matter occurs. The liquid components of the matter will slide past each other as they have obtain energy for fluidity. The liquid iron can be molded into any shape and the energy decreases considerably.

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