SAT Reading and Writing Practice Question #285 (Hard (755)) | Test Citadel
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SAT Reading and Writing Difficulty: Hard (755)

Digital SAT Reading and Writing Practice Question #285

Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.

In 2022, astronomers utilizing the James Webb Space Telescope announced the detection of carbon dioxide in the atmosphere of WASP-39b, a "hot Jupiter" exoplanet located 700 light-years away from Earth. _While the extreme temperatures of this gas giant totally preclude the existence of biological life as we know it, the successful identification of this molecule represents a watershed moment in astrophysics._ It definitively proves that humanity now possesses the technological capability to parse the complex atmospheric compositions of distant, Earth-sized terrestrial worlds. Which choice best describes the function of the underlined sentence in the text as a whole?
Select Your Answer:
Socratic AI Engine Step-by-Step Derivation
0ms Precomputed
Tactical Insight (Hint 1)

Rely strictly on explicit statements in the passage. Eliminate any option that requires external assumptions or twists the author's stated nuance.

Elimination Framework (Hint 2)

Elimination Strategy: In digital reading/writing, 3 out of 4 choices contain an active flaw (half-right/half-wrong, too extreme, or wrong transition type). Cross out options with absolute words like "always", "proves", or "never".

Masterclass Solution & Distractor Trap Analysis

Let's analyze the structure and purpose of this text step-by-step. This is a Craft & Structure question focused on the function of a specific sentence. The text introduces the discovery of carbon dioxide on a distant exoplanet (WASP-39b). T...

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

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