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All Verbal Ability and Reading Comprehension (VARC)
a. Consequently, understanding its fundamental nature and composition remains a paramount goal for physicists, with theories ranging from exotic subatomic particles to primordial black holes. b. Unlike ordinary baryonic matter, dark matter does not interact with light or other electromagnetic radiation, making it transparent and undetectable by conventional astronomical instruments. c. The existence of dark matter is one of the most compelling and perplexing mysteries in modern astrophysics, positing an invisible substance that outweighs all visible matter in the universe. d. Its presence is inferred not through direct observation, but from its gravitational effects on galaxies and galaxy clusters, which would otherwise spin apart given their visible mass. These sentences, when properly sequenced, form a coherent paragraph. Which of the options best outline their correct order? 1. c, d, b, a 2. c, b, d, a 3. d, c, b, a 4. b, c, d, a
Correct Answer: 1 (c, d, b, a) To solve "Sentence Rearrangement" or "Para-jumble" tasks, look for the logical flow of ideas: Step 1 (Introduction): Sentence (c) is the most suitable introductory sentence. It presents the main subject, dark matter, and establishes its significance as a "perplexing mystery" and an "invisible substance." Step 2 (Elaboration): Sentence (d) logically follows (c). It explains *how* the "invisible substance" (dark matter) is detected or inferred, specifically by its "gravitational effects," which directly addresses the mystery introduced in (c). The phrase "Its presence is inferred" directly links back to the "existence" mentioned in (c). Step 3 (Secondary Factor): Sentence (b) provides further characteristics of dark matter, explaining *why* it is "invisible" and "undetectable." It contrasts dark matter with "ordinary baryonic matter" and details its lack of interaction with light, building upon the "invisible substance" concept previously established. Step 4 (Conclusion/Result): Sentence (a) serves as the conclusion, using the transition word "Consequently" to highlight the implication of dark matter's enigmatic nature: it remains a "paramount goal for physicists" to understand it, leading to various theoretical explorations.
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