Lithosphere free essay sample

Established researchers dismissed the hypothesis of plate tectonics since Alfred Wegener couldn't A. recognize a system to move the landmasses. B. refute contending speculations that were not acknowledged by researchers. C. find geologic similitudes on the various landmasses. D. give proof that the landmasses were once consolidated. Answer Key: A Question 3 of 22 5. 0/5. 0 Points In the 1950s, Harry Hess deciphered this paleomagnetic information of recently framed maritime outside layer. He suggested that while new maritime outside layer was being framed at the culmination of the maritime edges, the neighboring maritime hull was moving along the side away from the edge. What is this procedure called? A. remote ocean channel B. maritime outside layer C. ocean bottom spreading D. problem areas Answer Key: C Question 4 of 22 4. 0/4. 0 Points With the appearance of plate tectonics, it was found that new maritime lithosphere is being made at what area? A. ocean bottom spreading B. remote ocean channels C. maritime edges D. mainland outside layer Answer Key: C Question 5 of 22 5. 0/5. 0 Points A geologist by the name of Edward Suess noticed that the mainlands fit together as well as found a fossil that was indistinguishable in South America, Africa, and Australia. What sort of fossil right? A. palm B. seed plant C. redwood tree D. maple tree Answer Key: B Question 6 of 22 4. 0/4. 0 Points In the mid 1800s, geologist Edward Suess proposed that all the southern mainlands, including Antarctica, had once been joined into one huge landmass. What name did Suess call the one mainland? A. Pangaea B. Megacontinent C. Gondwanaland D. Laurasia Answer Key: C Question 7 of 22 4. 0/4. 0 Points Alfred Wegener’s own drawings show that the entirety of the mainlands fit together in a jigsaw-like structure. What two landmasses did Alfred Wegener proposed to â€Å"fit together† like a jigsaw puzzle? A. Africa and North America B. South America and North America C. South America and Africa D. Eurasia and Africa Answer Key: C Question 8 of 22 4. 0/4. 0 Points Wegener recommended that North America and Eurasia had additionally once been joined into one huge landmass called A. Megacontinent B. Gondwanaland C. Laurasia D. Rodinia Answer Key: C Question 9 of 22 5. 0/5. 0 Points what number a huge number of years back did Wegener recommend that Pangaea started to separate and float over the seas? A. 100 million years B. 150 million years C. 200 million years D. 250 million years Answer Key: C Question 10 of 22 4. 0/4. 0 Points In what century did we have new information given by creating advances to consider that mainlands could be moving? A. the eighteenth century B. the nineteenth century C. the twentieth century D. the twenty-first century Answer Key: C Question 11 of 22 4. 0/4. 0 Points As liquid basalt cools, one of the minerals that structures is ______________, a dark attractive mineral. A. basalt B. magnetite C. silver D. aluminum Answer Key: B Question 12 of 22 4. 0/4. 0 Points Which scientist’s investigation of the attraction of magma streams in Japan brought about the disclosure that Earth’s attractive field seems to have experienced inversions over time†that is, north and south attractive posts have exchanged their areas? A. Alfred Wegener B. Motonori Matuyama C. Arthur Holmes D. Harry Hess Answer Key: B Question 13 of 22 5. 0/5. 0 Points Since the first revelation of attractive inversions, researchers have indicated that these inversions have happened in the course of the last 10 million years at a normal pace of 4 to 5 inversions for every million years. The last such inversion happened about how long back? A. 680,000 years B. 780,000 years C. 880,000 years D. 980,000 years Answer Key: B Question 14 of 22 4. 0/4. 0 Points What is the normal pace of ocean bottom spreading? A. 1 to 5 centimeters for every year B. 6 to 10 centimeters for every year C. 11 to 15 centimeters for each year D. 16 to 20 centimeters for every year Answer Key: A Question 15 of 22 4. 0/4. 0 Points If new outside layer is in fact being delivered at the cracks, where does the extra more seasoned hull go? A. It is lost through subduction. B. It becomes maritime outside layer. C. It becomes mainland outside layer. D. It is lost through ocean bottom spreading. Answer Key: A Question 16 of 22 4. 0/4. 0 Points Most of Earth’s volcanoes are situated in the _______________ around the Pacific Rim just past the maritime channels, where magma, which is less thick than the encompassing stone, ascents to the surface and ejects. A. Ring of Ice B. Ring of Water C. Ring of Fire D. Ring of Soil Answer Key: C Question 17 of 22 4. 0/4. 0 Points Stretching powers created in the lithosphere quickly over the rising segment of a convection cell bring about fracturing of the lithosphere and extreme development of what kind of plate limit? A. united B. change C. disparate D. problem area Answer Key: C Question 18 of 22 4. 0/4. 0 Points Pushing powers created in the lithosphere over the neighboring downgoing segment of the convection cell bring about the arrangement of a remote ocean channel that in the long run forms into what sort of plate limit? A. focalized B. change C. dissimilar D. problem area Answer Key: A Question 19 of 22 6. 0/6. 0 Points Questions 19-22 are alluding to Figure 2. 17 in your lab book. What kind of limit is at point marked A. concurrent plate limit Answer Key: con*|con* p* b* Question 20 of 22 6. 0/6. 0 Points When a sea plate joins with another plate, what is made on the ocean bottom at the line of assembly? channel Answer Key: tren*|dee* Question 21 of 22 6. 0/6. 0 Points What kind of plate limit is at the point marked B? It is a _________ plate limit. dissimilar Answer Key: div* Question 22 of 22 6. 0/6. 0 Points What procedure is happening at the focuses named â€Å"C† and â€Å"D†? Single word, a subduction zone. Answer Key: sub*