Final answer:
Seawater is slightly alkaline with a pH range of 7.5 to 8.4, making it a basic or alkaline solution for marine life.
Explanation:
Seawater is slightly alkaline with a pH range of 7.5 to 8.4, which is considered basic or alkaline on the pH scale. This pH level allows marine organisms adapted to this environment to thrive in it.
Learn more about Seawater acidity and pH here:
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