SAT Reading and Writing Practice Question #172 (Medium (575)) | Test Citadel
TC
Test Citadel
SAT Reading and Writing Difficulty: Medium (575)

Digital SAT Reading and Writing Practice Question #172

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

For years, marine biologists believed that the ocean's twilight zone was largely devoid of complex life forms due to its lack of sunlight. A recent deep-sea expedition, however, made an unexpected ______ they discovered a thriving ecosystem of bioluminescent jellyfish and deep-water corals.
Select Your Answer:
Socratic AI Engine Step-by-Step Derivation
0ms Precomputed
Tactical Insight (Hint 1)

Read the sentences immediately before and after the blank. Determine the logical relationship: is it Cause/Effect (thus, consequently), Contrast (however, yet), or Addition (moreover)?

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

The SAT loves testing sentence boundaries, which means knowing how to properly connect or separate independent clauses. First, let's analyze the sentence structure. We have two main parts: 1. 'A recent deep-sea expedition, however, made an ...

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

🔒 Citadel Pro Scholar Vault

Unlock Full Solution & 2,600+ Official Drills

Access detailed Socratic steps, trap breakdowns, authentic timed module simulations, and Desmos speed hacks for just $9.99/mo.

Socratic Assistant

Targeted hints without disclosing final solutions.

I am your Socratic tutor. Click one of the quick guidance buttons above or ask a specific question below about a formula or method.