Before complex life evolved on Earth, the Precambrian Earth’s oceans was abundant in dissolved carbon dioxide.
The Precambrain period is a period of time before the emergence of complex life.
During the Precambrain period, continents were formed and the atmosphere developed while early life evolved and flourished.
The composition of the Earth’s oceans was dissolved carbon dioxide.
Therefore, before complex life evolved on Earth, the Precambrian Earth’s oceans was abundant in dissolved carbon dioxide.
Learn more about Precambrain period at: https://brainly.com/question/14672306
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