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26-02-2020
Physics

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Carbon nanotubes are made of the same material as the graphite found in pencils, a material soft enough to leave an image on
paper. Although carbon nanotubes are much smaller than a human hair, they are stronger than steel. What factor accounts for this
strength?
They are extremely elastic.
They are a mass of ionic carbon to carbon bonds.
They are created using high pressure then super-heated.
They are composed of unbroken chains of covalent carbon to carbon
bonds.

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05-03-2020

They are composed of unbroken chains of covalent carbon to carbon bonds

Explanation:

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