01:460:110- Final Exam Guide - Comprehensive Notes for the exam ( 22 pages long!)
30 Nov 2017
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In absence of co2, 0 degrees fahrenheit but there"s a greenhouse effect. Theory: a set of statements or principles devised to explain a group of facts or phenomena; theories have been repeatedly tested and are widely accepted and can be used to make predictions about natural phenomena. Law in science, descriptive generalization about how some aspect of the natural world behaves under stated circumstances. Because a law is just a description of how something behaves and it does not explain why it behaves that way, it is usually considered to be below a theory. A theory is: a good guess, a hypothesis that explains facts, is a comprehensive set of ideas supported by multiple lines of evidence, a tentative explanation for an observation. Age of the universe- about 14 billion years old. Age of the earth 4. 55 billion years old (4. 55 ga) and we know this by dating meteorites. Oldest dated earth rocks- 4 ga minerals 4. 28 ga.
