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Reading Comprehension: Structure Questions

What is the function of the fourth paragraph in relation to the passage as a whole?

Nicely done!

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The fourth paragraph describes the role of supersaturation in polymorphism. Supersaturation is defined in the second paragraph.

Incorrect.

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The author describes several scientific phenomena but does not make any claims or suggest theories about any of them.

Incorrect.

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The fourth paragraph describes polymorphism, a phenomenon that is not discussed in the third paragraph.

Incorrect.

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The fourth paragraphs only describes supersaturation's influence upon polymorphism.

Incorrect.

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The fourth paragraph does not compare the two phenomena mentioned in the fourth paragraph, polymorphism and supersaturation, but shows the role supersaturation plays in polymorphism.

The fourth paragraph provides support for a scientific theory.
The fourth paragraph shows a function of the phenomenon defined in the second paragraph.
The fourth paragraph continues the discussion begun in the third paragraph.
The fourth paragraph describes the many factors that influence a scientific phenomenon.
The fourth paragraph compares two scientific phenomena.