GEOLOGY 105 Quiz: gelogy test 1
28 Jan 2019
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1. 1 introduction: cosmology: the study of the overall structure & history of the universe. 1. 3 forming the universe: edwin hubble (1889-1953) & co. discovered all distant galaxies are moving away from. Basalt and gabbro), and ultramafic rocks (ex. peridotite: biosphere: the aggregate of all living organisms as well as the portion of the earth in which living organisms exist; liquid water must exist. Internal gravity: heat (thermal energy) stored or produced inside the earth: external energy: energy reaching the earth"s surface from outside, mostly from sun. When earth reverses polarity,just the magnetic field reverses, compasses would point n arrow toward south pole: magnetic reversal chronology: a history of magnetic reversals for past 4. 5 mil years. 2. 6 what do we mean by plate tectonics: lithosphere: crust + cooler top part of upper mantle; when force is applied it bends or breaks.
