Two plants are grown in different yards. One yard has plenty of water and sunlight. The other yard has very little water and almost no sunlight.
Both plants have inherited genes that allow them to grow. Do you think
these plants will grow to the same height?

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.

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