Read the following statement. Some of the polymers, or macromolecules that are in existence are synthetic. Which sentence from the article provides the BEST support for the above statement? A Most polymers are macromolecules and many biochemical molecules are macromolecules. B Macromolecules exhibit very different properties from smaller molecules, including their subunits, when applicable. C Natural polymers are used to build tissue and other components in living organisms. D Carbon nanotubes are an example of a macromolecule that is not a biological material.

By stating that Carbon nanotubes are not a biological material, we are being told that they are indeed a synthetic polymer, which directly supports the statement given.

A polymer is simply described as a large molecular substance with many repeating parts. Some examples of polymers used in everyday life include:

Plastic bags
Clothing
Fiberglass
Epoxy glue

etc. These polymers are present everywhere in the modern world, many of which are synthetic in origin.

The statement describes polymers that are not natural in origin but instead synthetic, which would mean they were created by humans. Though the first 3 options offer useful information regarding polymers and some may even be used to support the statement if more context is provided, the option that best supports the claim that some polymers are synthetic is option D. This option directly states that there is a non-biological polymer in the form of carbon nanotubes, thus corroborating the statement.

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