Earth Files - The Fossil Record

The carbon dioxide that we breathe out has come originally from our ____. a. cells. c. diaphragm. b. ... The water in Earth’s atmosphere comes partly from ____. a. ... Deep-sea vents are openings in Earth’s crust far below the surface of the ocean. Life is abundant near these vents, and many organisms that live near deep-sea vents are ... ................
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