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Science test reveiw

QuestionAnswer
What is unconformity? A gape in record (missing info)
What was the early atmosphere made up of? Hydrogen, and helium
What is the law of super-potion? The youngest layer on the top and oldest layer on the bottem
What was earth made up of in the beginning? Mostly dust and gases
What is the Fossil record? A record that tells the relative age of a rock
When did scientist hypothesize the earth was formed? 4.6 Billion years ago
Were did early earths water vapor come from? Volcanoes
index fossil help geologist mach rock layers
relative age estemated age compared to other rocks
Created by: tristanscheiner
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