Which statement describes a benefit of using fission reactions? 1.)Radioactive waste must be stored for long periods of time
2.)Nuclear fuel consists of stable isotopes
3.)Gamma radiation is produced.
4.)Large amounts of energy are produced

Large amounts of energy are produced per mole of reactant.

Explanation:

lithosphere and asthenosphere

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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