Continental drift - Study guides, Class notes & Summaries

Why the outer core is a liquid, but the hotter inner core is solid - ️️Because the inner core is under more pressure What a passive plate margin is - ️️a boundary between continental crust and oceanic crust that is not a plate boundary What a supercontinent is - ️️one big continent with most or all of the land mass What an asperity is - ️️rough spots along the fault prevent the fault from sliding until they are broken What caused the high topography of the Himalayas and Tibet...

Which of the following is a postzygotic isolating mechanism? : Hybrid sterillity The courtship rituals performed by some male birds to attract females of the same species are an example of ___ isolation. : Behavioral Speciation due to geographic barriers separating populations is called ___ speciation. : Allopatric All of the following factors have been implicated in mass extinctions, except: 2 | P a g e A. Continental Drift B. Punctuated Equilibrium C. Meteorite Impact D. Loss of H...

Theory of Plate Tectonics - ANSWER A theory stating that Earth's lithosphere is broken into huge plates that move and change in size over time - explains the process of continental drift - theory is a fusion on the theories of continental drift and seafloor spreading - continents are not floating on the ocean, rather they are rooted What are the 10 major plates of the Earth's lithosphere? - ANSWER African, Antarctic, Australian, Eurasian, North American, South American, Pacific, Cocos, N...

EARTH SCIENCE FINAL EXAM QUESTIONS AND ANSWERS List the 3 main layers of the earth from the center to the outside based on composition (what they are made out of). - Correct Answer ️️ -1). Core (Inner and outer)-solid inner liquide outer. Iron/nickel alloy. Extreme pressure 2).Mantle-82% of the earth's volume-Solid, rocky, shell 3). Crust (Oceanic-younger rocks and Continental-granite rocks) List the 5 mechanical layers of the earth (based on how they deform?) Whic layers is a liqui...

LUOA Earth Science Module 8 Questions and Answers 100% Pass Pangaea mean all the earth Alfred Wagoner found what in Africa,India,South America and Australia that showed him they were all covered in ice at some point ice striations why didn't scientist in 1912 take Alfred seriously? because there was no way the continents could plow through the ocean basin because they didn't know of a strong enough power because he wasn't a geologist Alfred Wegener proposed his idea of continental drift wh...

GEOG 1111 FINAL EXAM Questions With 100% Correct Answers permafrost - answerforms when soil or rock temperatures remain below 32 degrees for at least 2 years glacier - answerlarge mass of perennial ice resting on land or floating shelflike in sea formed from accumulation and recrystillazation of snow snowline - answerwhere the lowest elevation where snow remains year arounf alpine glacier - answerglacier in a mountain range cirque - answerscooped-out, amphitheater-shaped basin at the hea...

EARTH SCIENCE FINAL EXAM QUESTIONS AND ANSWERS ALREADY PASSED What are the three primary layers of Earth, arranged from the center to the exterior, based on their composition? 1) Core - Comprising both a solid inner core and a liquid outer core, this layer consists mainly of an iron-nickel alloy and is under immense pressure. 2) Mantle - Occupying 82% of Earth’s volume, it is a solid, rocky layer surrounding the core. 3) Crust - The outermost layer, with oceanic crust featuring ...

Part 1 of 2 - 48.0/ 52.0 Points Question 1 of 25 4.0/ 4.0 Points Which type of boundaries involve crust being neither created nor destroyed and shearing motion?  A. divergent boundaries  B. transform boundaries  C. convergent boundaries Feedback:2 Plate Tectonics Question 2 of 25 4.0/ 4.0 Points Continent to continent convergent boundaries are commonly associated with which landforms?  A. broad mountain range, folds  B. volcanic arc, forearc basin  C. oceani...

Geology 111 Exam Questions And Answers (Verified And Updated) Most natural disasters are which of the following? - answerrarely if ever cyclic because there are too many overlapping effects The costs of catastrophic events continue to increase primarily because ____. - answermore people are moving into areas at high risk for natural disasters When is a large event such as a major earthquake not a disaster? - answerwhen it happens in an area without any people Which of the following was t...

What is Geology "Earth knowledge" -Scientific study of our planet -Earth's history -Earth's composition -Earth's internal structure -Earth's surface features Sustainable Development Earth is a "spaceship" with limited resources and a delicate life-support system. "Sustainable Development": Current generation must ensure hospitable planet for future generations. The Roles of Geologists -Find and manage NATURAL RESOURCES -Understand Earth processes well enough to ...