| A | B |
|---|
| Acids | release H+ ions when dissolved in water |
| Bases | release OH- ions when dissolved in water |
| pH of Acids | 0-6.9 |
| pH of Bases | 7.1-14 |
| pH of Neutral Substances | 7 |
| Level of CO2 in atmosphere and oceans has | CO2 has increased |
| pH of ocean water | 8.1 (weak base) |
| What is created when CO2 reacts with ocean water? | carbonic acid |
| Chemical that most shelled organisms use to make shells | calcium carbonate |
| Excess H+ ions in water... | prevent shelled organisms from making shells |
