Source: Miller & Levine Biology Book
( I just took a test on this)
CHAPTER 3, SECTION 4 (3.4)
https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A6199cbe752b4121dfb0734eeb442b2f13f9a9b8071459...
Carbon dioxide is continuously exchanged between the atmosphere and oceans through chemical and physical processes.
The picture i provided really helps to provide a really good visual. If you need more help, let me know.
