Plastic is a synthetic material what are three advantages

The organic substances formed of hydrocarbons found in natural gas and oil are known as plastics. The three benefits of the use of plastics are that it can easily be recycled, it is comparatively inexpensive, and it repels water. It is light, strong, easily shaped, and inexpensive. Its tendency to guard against the contamination makes it beneficial in the environments of hospitals.

answer: c.

explanation:

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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