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Sladkaya [172]
3 years ago
13

The picture shows a type of rock called a banded iron formation. The rock contains high levels of iron oxides minerals, which fo

rm only when iron at Earth's surface combines with oxygen. Approximately how old would Earth's oldest banded iron formations be? André Karwath/Wikimedia 3 billion years old 4.6 billion years old 5 billion years old 65 million years old
Biology
2 answers:
inn [45]3 years ago
5 0

The correct answer is 3 billion years old as per  the banded iron sample obtained from Canada


kirill115 [55]3 years ago
4 0

Answer:

C

Explanation:

3 billion years old

I DID THE QUESTION AND GOT IT RIGHT

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