OCEANOGRAPHY 100 FINAL SDSU ACTUAL 2025/2026 WITH CORRECT ANSWERS

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OCEANOGRAPHY 100 FINAL SDSU ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS How was the solar system formed? - Answer --a supernova (explosion of a start when it runs out of fuel) -4.6 billion years ago how was the earth formed? - Answer --a nebula made of gas and dust -was formed 4.5 billion years ago how did oceans form? - Answer --A volcanic expulsion - rained for thousands of years -hit by an icy comets -volcanic out gassing and ice from comets when did life form? - Answer --3.7 billion years ago how long have animals been around for? - Answer --600 million years ago how long has photosynthetic organisms been around? - Answer --2.5 billion years ago what is the lithosphere? - Answer --crust and top mantle -outer most layer of the earth -the ground on which we walk on -(rigid and brittle) -(100km) Need assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & Secure services. Tutors are available for all subjects! Email now at: tutorjean01@gmail.com What is the asthenosphere? - Answer --beneath the lithosphere -where convection is thought to occur -(hot, plastic region, 600km) what is the mesosphere - Answer --outer core, inner core -(lower mantle) -core is made of Iron and nickel what is the order of the earth layer (from outer most to inner most) - Answer -1. Lithosphere (ridge) 2. Asthenosphere (plastic) 3. Mesosphere (ridge) 4. Outer core (liquid) 5. inner core (rigid) What is kinetic energy? - Answer --Energy of motion what is heat energy - Answer --Energy transfer of heat from hot to cold what is density? - Answer --relationship between mass of a substance/how much space it takes up -when it is colder it is more dense -when it is warmer it is less dense what is the difference between oceanic crust and continental crust - Answer --oceanic crust is (basalt) thinner and more dense -continental crust (granite) is thinker and less dense what is convection - Answer --means of heat energy transfer -sinking of cold air because it is denser Need assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & Secure services. Tutors are available for all subjects! Email now at: tutorjean01@gmail.com