Before taking a deep dive into the geology of the ocean's layers, let's review the basics of ocean life. What are the different sections of the ocean? What types of creatures live in each region?



Composition of Oceanic Crust...

Now that we've learned about the layers of the ocean, let's focus on the floor. How did oceanographers learn about the composition of the ocean floor? What is sediment? How do different types of sediment get to the ocean and what...