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Air Pollution

Fact 1: Isl...

Question

Fact $1$ : Islands are surrounded by water.
Fact $2$ : Maui is an island.
Fact $3$ : Maui was formed by a volcano.
If the first three statements are facts, which of the following statements must also be a fact?
I: Maui is surrounded by water.
II: All islands are formed by volcanoes.
III: All volcanoes are on islands.

A

I only

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B

II only

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C

II and III only

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D

None of the statements is a known fact.

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Solution

The correct option is B I only
Since Maui is an island and islands are surrounded by water, Maui must be surrounded by water. There is not enough information to support statements II and III.

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