Multiple choice general knowledge science & technology

An oil trap is a(n) __________.

  1. impermeable layer of rock.

  2. underground lake of oil

  3. mechanical device used to collect oil

  4. geologic environment that allows oil and gas to accumulate
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

An oil trap is a geologic structure (like an anticline or fault trap) that creates a sealed environment where petroleum accumulates. It's not the impermeable rock itself (A), not an underground lake (B), and not a mechanical device (C) - it's the entire geologic setting that allows accumulation.

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