12. Based on Scientist 1's discussion, petroleum deposits would most likely be found at or near locations where:
Your Answer is
Correct Answer is J
Explanation
According to the first five lines of the first paragraph of Scientist 1, it can be seen that oil is formed by the long-term accumulation of dead biological remains in the ocean in the past 600 million years, so H is excluded;
And Scientist 1 did not mention to tectonic plates, so exclude F & G