In this video, I go over how to approach questions that ask you to either strengthen or weaken an argument (claim, hypothesis, etc.) on the Reading & Writing section of the Digital SAT. (Officially, these are known as (Command of Evidence - Textual" questions.) I explain the basic strategy and then go through a couple of specific examples from official practice tests.
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• GRE Verbal: Supporting...
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Full text of example passages:
1) "In the mountains of Brazil, Barbacenia tomentosa and Barbacenia macrantha-two plants in the
Velloziaceae family-establish themselves on soilless, nutrient-poor patches of quartzite rock. Plant ecologists Anna Abrahão and Patricia de Britto Costa used microscopic analysis to determine that the roots of B. tomentosa and B. macrantha, which grow directly into the quartzite, have clusters of fine hairs near the root tip; further analysis indicated that these hairs secrete both malic and citric acids. The researchers hypothesize that the plants depend on dissolving underlying rock with these acids, as the process not only creates channels for continued growth but also releases phosphates that provide the vital nutrient phosphorus."
2) "Many archaeologists will tell you that categorizing excavated fragments of pottery by style, period, and what objects they belong to relies not only on standard criteria, but also on instinct developed over years of practice. In a recent study, however, researchers trained a deep-learning computer model on thousands of images of pottery fragments and found that it could categorize them as accurately as a team of expert archaeologists. Some archaeologists have expressed concern that they might be replaced by such computer models, but the researchers claim that outcome is highly unlikely."
14 янв 2023
