Answer to Question 1ANS: T
Marine science, or oceanography, uses other science fields to better understand life-forms, processes,
and the composition of the oceanic realm. Information can be found in the section Marine Scientists
Use the Logic of Science to Study the Ocean.
Answer to Question 2ANS: T
The young Earth, formed by the accretion of cold particles, was probably chemically homogeneous
throughout. Then, in the midst of the accretion phase, Earth's surface was heated by the impact of
asteroids, comets, and other falling debris. Information can be found in the section Earth, Ocean, and
Atmosphere Accumulated in Layers Sorted by Density.