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Difficulty: HardRhetorical Synthesis: Comparison and Contrast

While preparing a presentation on pre-Columbian agriculture, a student took the following notes:
* Chinampas are artificial agricultural islands built in shallow lake beds, primarily utilized by the Aztec civilization in the Valley of Mexico.
* Waru waru are raised agricultural fields surrounded by water channels, developed by the Tiwanaku culture in the high-altitude Andean highlands.
* Chinampas rely on constant water supply from lakes to maintain soil moisture in lowland, temperate climates.
* Waru waru channels harvest solar heat during the day and release it at night, protecting crops from frost in alpine environments.
* Both systems represent sophisticated, sustainable water-management strategies developed in pre-Columbian America.

The student wants to contrast how chinampas and waru waru adapt agricultural production to their respective climates. Which choice most effectively uses information from the given notes to accomplish this goal?

  1. A
    Developed in pre-Columbian America, both chinampas and waru waru represent sustainable, sophisticated water-management strategies.
  2. B
    Both systems are sophisticated water-management strategies, but chinampas are built in shallow lake beds while waru waru consist of raised fields surrounded by channels.
  3. While chinampas rely on lake water to maintain soil moisture in temperate lowland climates, waru water use water channels to protect crops from frost in alpine environments.Answer
  4. D
    Waru waru protect crops from frost in alpine environments by harvesting heat in surrounding channels, whereas chinampas were developed by the Aztec civilization.

Answer

The choice that states that chinampas rely on lake water to maintain soil moisture in temperate lowland climates, while waru waru use water channels to protect crops from frost in alpine environments.
The correct choice successfully contrasts the climate adaptations of both agricultural systems: it explains that chinampas adapt to temperate lowland climates by maintaining soil moisture, whereas waru waru adapt to alpine environments by protecting crops from frost. This directly fulfills the student's goal of contrasting how both systems adapt agricultural production to their respective climates.

Step-by-Step Solution

1
Identify the student's rhetorical goal stated in the prompt.
The goal is to contrast how chinampas and waru waru adapt agricultural production to their respective climates.
This establishes the criteria that the correct answer must meet.
2
Extract facts from the notes regarding climate adaptation for both systems.
The notes state that chinampas maintain soil moisture in lowland, temperate climates, while waru waru protect crops from frost in alpine environments.
These details are required to construct the target comparison.
3
Evaluate the options to find the one that performs this specific contrast.
The correct choice directly contrasts the moisture-retention function of chinampas in temperate lowland climates with the frost-protection function of waru waru in alpine environments. Other options focus on similarities, physical structure, or civilization history.
Selecting the option that fulfills all conditions of the prompt.

Key Concept

Rhetorical Synthesis: Comparison and Contrast
Estimated Time:1m 30s
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Topics

Rhetorical Synthesis: Comparison and Contrast

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