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Difficulty: EasyFunction of Detail in Context

Consider the following passage:

Early twentieth-century art conservators routinely coated deteriorating Renaissance tempera paintings with thick layers of natural varnish, believing that sealing the painted surface against airborne pollutants was paramount. However, modern chemical analyses demonstrate that such varnishes cross-link with age, becoming brittle and exerting tensile stress that causes micro-fissuring in the underlying paint layers. Conservators now frequently employ synthetic micro-crystalline wax coatings instead, which remain chemically stable and physically flexible over centuries without contracting.

The author mentions "micro-fissuring" primarily in order to which of the following?

  1. A
    support the historical assumption that airborne pollutants are the primary threat to tempera paintings
  2. B
    restate the definition and biochemical properties of aged natural varnish
  3. identify a detrimental consequence associated with the traditional preservation techniqueAnswer
  4. D
    prove that synthetic micro-crystalline wax coatings completely eliminate all forms of paint deterioration
  5. E
    explain why Renaissance artists originally favored egg tempera over oil-based pigments

Answer

identify a detrimental consequence associated with the traditional preservation technique
The author introduces 'micro-fissuring' to illustrate the specific physical damage caused by the traditional practice of applying natural varnish. This evidence of harm explains why modern conservators found the traditional method problematic and transitioned to synthetic alternatives.

Step-by-Step Solution

1
Locate the targeted term in the context of the passage.
The term 'micro-fissuring' appears in the second sentence as the direct result of tensile stress exerted by aging natural varnish.
Understanding the immediate grammatical and logical context reveals what directly causes the phenomenon.
2
Determine the structural role of this detail within the author's broader argument.
The author contrasts early conservation methods with modern techniques, using 'micro-fissuring' as empirical evidence of the harm caused by traditional natural varnishes.
Function questions require identifying why an author includes a detail to advance their point, rather than merely what the detail means.
3
Match the identified rhetorical role to the correct choice.
The choice stating that the detail identifies a detrimental consequence associated with the traditional preservation technique accurately captures this functional role.
Micro-fissuring exemplifies the negative physical impact that prompted conservators to abandon natural varnish in favor of synthetic wax.

Key Concept

Function of Detail in Context
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Function of Detail in Context

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