Using your knowledge of the scientific method, number the processes in the scientific investigation from 1 to 7 __Gain observation
Draw conclusions
design and perform the experiment
communicate the results
---formulate a hypothesis
define the question or problem
gather data for analysis(graphs)​

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

if it's not useful, feel free to report for mistake in answer.

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