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Para-jumbles 36 / 100

a. Its presence is inferred solely through its gravitational effects on visible matter, such as the rotation curves of galaxies and the gravitational lensing of distant objects.
b. Scientists are exploring various candidates, ranging from weakly interacting massive particles (WIMPs) to axions, in a concerted effort to unravel its true nature and composition.
c. One of the most profound mysteries in modern cosmology is the existence of dark matter, an enigmatic substance that does not interact with light or other electromagnetic radiation.
d. Despite compelling astronomical evidence, direct detection of dark matter particles on Earth remains elusive, presenting a significant challenge to particle physics.

These sentences, when properly sequenced, form a coherent paragraph. Which of the options best outline their correct order?

1. c, a, d, b

2. a, c, d, b

3. c, d, a, b

4. d, a, c, b

SPLIL---

Correct Answer: 1 (c, a, d, b)
To solve "Sentence Rearrangement" or "Para-jumble" tasks, look for the logical flow of ideas:
Step 1 (Introduction): Sentence (c) serves as the ideal opening statement by introducing the central topic: dark matter, defining its enigmatic nature, and highlighting it as a profound mystery in cosmology.
Step 2 (Elaboration): Sentence (a) logically follows, explaining *how* the presence of this mysterious substance is inferred, specifically through its gravitational effects on visible matter. The phrase "Its presence" directly refers to the dark matter introduced in (c).
Step 3 (Secondary Factor): Sentence (d) then introduces a complication or challenge related to dark matter. It acknowledges the "compelling astronomical evidence" (linking to sentence a) but points out the difficulty of "direct detection," establishing a significant scientific problem.
Step 4 (Conclusion/Result): Sentence (b) provides a natural conclusion by outlining the current scientific response to the challenge mentioned in (d): the exploration of various candidate particles in an effort to understand dark matter's true nature. This forms a logical progression from problem to ongoing solution.

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