Answer to Question 1ANS: F
The layer of gases that the sun stripped was Earth's first atmosphere. There were other gases which
were released from the interior of the planet to form a secondary atmosphere. Information can be
found in the section Earth, Ocean, and Atmosphere Accumulated in Layers Sorted by Density.
Answer to Question 2ANS: F
Scientists truly believe that the answers to questions are all ultimately knowable. The answers
themselves are sought out using the scientific method. Information can be found in the section Marine
Scientists Use the Logic of Science to Study the Ocean.