the main, or central, idea of the passage is the greenlanders mysterious iron mountain was eventually revealed to be three large meteorites. how does the detail in bold develop the main idea?

when british explorer sir john ross encountered inuit greenlanders wielding iron tools in 1818, he was mystified; after all, they did not have the technology to extract iron from ore. they told ross that their iron source was a saviksoah—an \iron mountain\—but refused to disclose its location. scientists back in britain partially solved the puzzle by analyzing some of the tools and determining that they likely came from a meteorite. subsequently, several other explorers attempted, and failed, to confirm the sources existence. in 1894, however, american explorer robert peary had better luck. the inuits were now obtaining iron through trade; they no longer needed the iron mountain and were willing to reveal it. a guide led peary to three meteorites, which are currently housed in new yorks american museum of natural history. the most massive, called ahnighito, weighs thirty tons and is the largest meteorite in any museum.

it confirms an initial hypothesis about the source of the iron.

it suggests that the guide, not peary, should receive credit for the discovery.

it contrasts the inuits story with the scientific explanation of the iron.

Question

the main, or central, idea of the passage is the greenlanders mysterious iron mountain was eventually revealed to be three large meteorites. how does the detail in bold develop the main idea?

when british explorer sir john ross encountered inuit greenlanders wielding iron tools in 1818, he was mystified; after all, they did not have the technology to extract iron from ore. they told ross that their iron source was a saviksoah—an \iron mountain\—but refused to disclose its location. scientists back in britain partially solved the puzzle by analyzing some of the tools and determining that they likely came from a meteorite. subsequently, several other explorers attempted, and failed, to confirm the sources existence. in 1894, however, american explorer robert peary had better luck. the inuits were now obtaining iron through trade; they no longer needed the iron mountain and were willing to reveal it. a guide led peary to three meteorites, which are currently housed in new yorks american museum of natural history. the most massive, called ahnighito, weighs thirty tons and is the largest meteorite in any museum.

it confirms an initial hypothesis about the source of the iron.

it suggests that the guide, not peary, should receive credit for the discovery.

it contrasts the inuits story with the scientific explanation of the iron.

Accepted Answer

# Brief Explanations:
1. Analyze the first option: Scientists initially hypothesized the iron came from a meteorite (after analyzing tools). The bold detail (Peary being led to three meteorites) confirms this initial hypothesis.
2. Analyze the second option: The passage focuses on revealing the iron source, not on who gets credit. The guide's role is just to lead, not to claim credit, so this is incorrect.
3. Analyze the third option: The Inuits' story was about an "iron mountain", and the scientific explanation was that it was meteorites. The bold detail confirms the scientific explanation (meteorites) which was an initial hypothesis, not contrasting the Inuits' story (their story was about the iron mountain, and the reveal is that the iron mountain was meteorites—so it's confirming the hypothesis, not contrasting the story with the explanation).

# Answer: It confirms an initial hypothesis about the source of the iron.

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