What forms when absorbed carbon dioxide reacts in seawater?

Carbonic acid.

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  1. Carbonic acid ✔
  2. Table salt
  3. Calcium metal

Why: Absorbed CO2 forms carbonic acid, lowering pH.

Huh, didn't know that: Absorbed CO2 forms carbonic acid, lowering pH.

The dad joke
Carbonic acid gives seawater a sour side.
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References

Answer: Carbonic acid. Absorbed CO2 forms carbonic acid, lowering pH.

  1. Oceanography en.wikipedia.org/wiki/Oceanography
    forming carbonic acid and lowering the pH
    Checked 2026-11-07.

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