[Chapter 14 Ocean Waters_The Blue of the Blue Planet] Thermohaline circulation carries __________ water from the poles to the equator, where the water becomes __________.  

[Chapter 14 Ocean Waters_The Blue of the Blue Planet] Marine biologists distinguish between the photic and aphotic zones because within the aphotic zone, __________, whereas in the photic zone, __________.

 [Chapter 3: What Is the Earth Made Of?] Diamonds are usually found embedded in 

[Chapter 15. Marine Geology: The Study of Ocean Basins and Coasts] Many rocky coasts occur along active margins. This is because

[Chapter 1 From the Big Bang to the Blue Marble] Differentiation of the core from the mantle early in the Earth’s history was possible because the planet was very __________ at the time.

[Chapter  5. The Rest of the Rock Cycle_Sedimentary and Metamorphic Rocks] Though typically nonfoliated, both marble and quartzite can be foliated if

[Chapter 15. Marine Geology: The Study of Ocean Basins and Coasts] Hawaii’s beaches are eroding as a result of

[Chapter 4. Volcanism and Igneous Rocks] A sill is a(n)

[Chapter 22. The Sun, The Stars, and Deep Space] Antares and Spica have approximately the same apparent magnitude but Antares’ absolute magnitude is –5.2, whereas Spica’s absolute magnitude is –3.2. Which star is farther from the Earth?

[Chapter  5. The Rest of the Rock Cycle_Sedimentary and Metamorphic Rocks] A nonfoliated metamorphic rock formed from limestone and thus composed entirely of calcite is called