Ocean 100 Final SDSU Exam Questions and Answers Top Graded 2024 Verified 100%
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Course
Ocean 100
Institution
Ocean 100
How Old are the oceans - 4 billion years
How were atmospheres and oceans formed - outgassing and icy commets
what is outgassing - when volcanoes erupt and water vapor is condensed and turned into clouds and rain
What are the internal Layers of earth - lithosphere
asthenosphere
mesospher...
Ocean 100 Final SDSU Exam Questions and Answers Top Graded 2024 Verified 100% How Old are the oceans - 4 billion years How were atmospheres and oceans formed - outgassing and icy commets what is outgassing - when volcanoes erupt and water vapor is condensed and turned into clouds and rain What are the internal Layers of earth - lithosphere asthenosphere mesosphere outer core inner core Lithosphere - Crust and Upper Mantle Asthenosphere - upper mantle (below lithosphere) Mesosphere - Rest of Mantle Outer core and inner core - outer fluid inner solid Two Types of energy - Kinetic and Heat Kinetic Energy - Energy of Motion (astroid) Heat Energy - Energy moving from hot to cold. function from kinectic. motion creates heat Density - the degree of compactness of a substance. Hot - Rises Cold - Sinks Less Dense - Rises More Dense - Sinks Bioaccumulation - as you go up the base of the food chain, the level of mercury is more concentrated than the base of the food chain → bigger fish eat the other fishes below that are high in mercury and gets more concentrated as it goes up Biodegradation - Ability to decay naturally Photo -degradation - things being broken down because of sunlight Diffusion - Net Movement from High Concentration to Low COncentration How olds the earth - 4.5 Billion years How old is life on earth - 3.7 billion years Plate Tectonics - Lithosphere is broken up into plates and moves over the asthenosphere. Magma Comes through, stretches and things salts, water fills the gap 3 plate boundries - divergent convergent and transform divergent boundary - rifting apart what kind of boundary is baja Ca and mid atlantic Ridge - Divergent Convergent Boundary - Plates come together and one goes under the other What kind of boundary is himalayas and trenches - convergent Transform Boundry - Slide side by side to each other (earthquakes causing tsunamis i. Gravity ii. Slab pull @ seductions zones iii. Ridge push @ mid ocean ridges, ridges push out Trenches - Long Deep depression on the ocean floor are formed when oceanic plates subduct under continental plates Hot Spots - Volcanic Regions Heat rises (low density) Erupts and cools at divergent boundries deep mantle plumes of hot rock rise by convection Plates move not the hot spot
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