What does ocean acidification describe?

A decrease in ocean pH from carbon dioxide.

Start playing free

  1. An increase in ocean salt
  2. A rise in seafloor height
  3. A decrease in ocean pH from carbon dioxide ✔

Why: Added carbon dioxide forms carbonic acid and lowers ocean pH.

Huh, didn't know that: Added carbon dioxide forms carbonic acid and lowers ocean pH.

The dad joke
Acidification is no laughing matter for shells.
Like this card?
Play the game

References

Answer: A decrease in ocean pH from carbon dioxide. Added carbon dioxide forms carbonic acid and lowers ocean pH.

  1. Oceanography en.wikipedia.org/wiki/Oceanography
    Ocean acidification describes the decrease in ocean pH that is caused by anthropogenic carbon dioxide (CO2) emissions into the atmosphere.
    Checked 2026-11-07.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.