C. one plate is pushed beneath another
The correct answer for the question that is being presented above is this one: "oxygen became available from cyanobacteria." About 1.2 billion years ago, eukaryotic and multicelled organisms evolved because oxygen became available from cyanobacteria.
Answer:
It helps us to develop new technologies.
Explanation:
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Creole is a primary language
The correct answer is: [B]: "sludge" .
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