A physical change. chemical changes require the molecule itself to change. If you put NaCl into solution, the NaCl is still there which is evident by the fact that if you lower the amount of water, NaCl precipitates out.
Answer:
Indium metal is a soft and malleable metal (like lead) and resistant to corrosion. ... Because of its low melting point (156°C), Indium metal reduces the melting point of the alloy, making it suitable for low-temperature soldering and manufacturing.
Its B and D
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A. reduce the need to use fossil fuels
