List two possible sources of the water in our oceans and explain which is likely to have contributed most of the water on Earth? Explain.

Why is oceanography known as multidimensional science?
What are some ways technology has contributed to advancements in the study of the oceans?
List two possible sources of the water in our oceans and explain which is likely to have contributed most of the water on Earth? Explain.
Describe the origin of Earth’s atmosphere. How is its origin related to the origin of Earth’s oceans? How do we know this?