begins with co2 emissions no co2
0:38is produced when fossil fuels are burned for industrial and automotive purposes
0:41once in the air co2 is absorbed into the ocean to waive action
0:52once absorbed into the ocean co2 combines with water
0:55form carbonic acid carbonic acid breaks down easily into bicarbonate molecules
1:03and hydrogen ions
1:04calcium bicarbonate cannot bind together to form shells
1:11carbonate that usually fun shells