Sea Shells' Beauty and Peril Questions

After reading the article answer these questions in complete sentences in your journal.
  1. What danger might sea shells face in a few decades?
  2. What does atmospheric CO2 do to ocean water?
  3. How does the acidic water affect some marine animals?
  4. What tool did the French scientists use to forecast their warning?
  5. Besides sea shells what colonial ocean animals might be affected?