Why can't a metal i.e. used as electrical wires be contained by fluid form?

Choices
Liquid metal:
a.is too shiny
b.cannot conduct electricity
c.cannot be placed in a container
d.cannot be pulled into wire or bent
Answers:
b.cannot conduct electricity

With increase within temperature the resistivity of metal increases due to collisions occuring between metal electrons. With increase in resistivity conductivity decrease and metal cannot conduct electricity in liquid form.
d. Mercury is a gooey metal (at room temperature) and it makes a good conductor, but it would be have to make wires out of it because they'd dribble away, like wires made of wet.

But mercury works in a switch. Put it in a tablet with two contacts at one end, and when it's positioned such that the mercury covers both contacts the switch is closed, but turn it upside-down so the mercury doesn't touch both contacts and the switch is uncap.

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