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Difficulty: MediumMeeting Specific Rhetorical Goals

Marie Clark Taylor, a pioneering botanist in the late 1940s, investigated how plants respond to changes in light exposure. At the time, scientific understanding of photoperiodism was limited, and many researchers struggled to cultivate specimens under controlled indoor environments. [1] Taylor, however, successfully developed new methods for growing plants under artificial light, which allowed her to study their development with unprecedented precision.

The writer wants to add a detail at point [1] that highlights the specific challenges and limitations of the laboratory equipment available to researchers during this period. Which choice best fulfills this goal?

  1. A
    Greenhouse structures were basic, early fluorescent lamps were also unreliable.
  2. Standard greenhouses lacked automated temperature controls, and early fluorescent bulbs generated inconsistent light spectrums.Answer
  3. C
    Many scientists preferred to study plant growth in natural settings, and they wrote extensive field notes about their observations.
  4. D
    Standard greenhouses lack automated temperature controls, and early fluorescent bulbs generated inconsistent light spectrums.

Answer

Standard greenhouses lacked automated temperature controls, and early fluorescent bulbs generated inconsistent light spectrums.
The correct option is both grammatically sound and directly addresses the prompt's request. By describing how standard greenhouses lacked automated temperature controls and early fluorescent bulbs generated inconsistent light spectrums, it provides concrete examples of the challenges and limitations of laboratory equipment during the 1940s.

Step-by-Step Solution

1
Analyze the prompt to identify the specific rhetorical goal.
The goal is to add a detail highlighting specific challenges and limitations of the laboratory equipment available to researchers in the late 1940s.
Understanding the precise criteria of the goal allows us to eliminate choices that deviate from it.
2
Evaluate each option for grammatical correctness and consistency with the passage's tense.
One option contains a comma splice, and another contains an incorrect shift to present tense.
Eliminating grammatically incorrect options helps narrow down the choices to those that are syntactically sound.
3
Compare the remaining grammatically correct options against the rhetorical goal.
The choice mentioning greenhouses lacking automated controls and bulbs generating inconsistent light spectrums describes equipment limitations, whereas the choice about scientist preferences does not.
Selecting the option that matches both the grammatical and rhetorical requirements yields the correct answer.

Key Concept

Meeting Specific Rhetorical Goals
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Topics

Meeting Specific Rhetorical Goals

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