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MrRa [10]
3 years ago
14

Which compound was abundant in Precambrian Earth’s oceans, before complex life evolved on Earth?

Geography
2 answers:
Lostsunrise [7]3 years ago
7 0

Answer:

rocks

Explanation:

Brums [2.3K]3 years ago
5 0
It is dissolved carbon dioxide
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An aging population will impact Italy's economy in all of the following ways except by leading to increased costs associated with educating and feeding the population

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