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Difficulty: MediumInferences and Implicit Meaning

In recent decades, archaeoacousticians studying Chavín de Huántar, a monumental ceremonial center in the Peruvian Andes dating to 1200 BCE, have shifted focus from aesthetic interpretations of its subterranean galleries to their functional acoustic design. The complex network of narrow, stone-lined conduits running beneath the stone plazas was traditionally viewed by scholars as an elaborate hydraulic drainage system. However, modern acoustic mapping reveals that these channels produce distinct resonant frequencies when subjected to airflow or water movement, effectively amplifying low-frequency sound waves. Furthermore, shell trumpets (*strombus*) excavated at the site produce acoustic frequencies that closely match the fundamental resonant modes of these inner galleries. Rather than serving purely utilitarian drainage purposes, the architectural configuration appears intentionally engineered to manipulate sensory experience, generating disorienting auditory phenomena during ritual gatherings. Scholars suggest this acoustic manipulation reinforced the authority of the priestly class by creating an impression of divine intervention, as reverberations would seem to originate from the stone walls themselves rather than human performers.

Based on the passage, which of the following can be inferred regarding the subterranean channels at Chavín de Huántar?

  1. They were capable of generating amplified acoustic resonance independently of sound produced by shell trumpets.Answer
  2. B
    They were initially constructed as a functional drainage network before being structurally modified for ritual acoustics.
  3. C
    They were designed to allow ritual participants to pinpoint the exact physical origin of sound sources within the complex.
  4. D
    They provided the priestly class with their sole method of maintaining authority over ritual attendees.
  5. E
    They have been conclusively proven to lack any practical capacity for conveying water.

Answer

The subterranean channels were capable of generating amplified acoustic resonance independently of sound produced by shell trumpets.
The correct answer is supported directly by the passage, which explains that airflow or water passing through the subterranean channels generates distinct resonant frequencies and amplifies low-frequency waves. Because this mechanism depends on fluid and air movement within the channels, acoustic resonance could occur independently of shell trumpet usage.

Step-by-Step Solution

1
Analyze the passage statements regarding the subterranean conduits and acoustic phenomena.
The text states that the channels 'produce distinct resonant frequencies when subjected to airflow or water movement, effectively amplifying low-frequency sound waves' and that shell trumpets produce frequencies matching these modes.
Establishing what the passage explicitly says about the channels' acoustic behavior is necessary to evaluate implicit claims.
2
Evaluate the implicit logical takeaway of airflow or water movement inducing acoustic resonance.
Since naturally occurring or manipulated airflow and water movement in the channels directly trigger resonant frequencies, the channel structure itself generates amplified sound without requiring shell trumpets.
An inference must be strictly supported by the text without introducing unstated assumptions.

Key Concept

Inferences and Implicit Meaning
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Topics

Inferences and Implicit Meaning

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