21ST CENT.ASTRONOMY(LL)W/CODE WKBK PKG.
6th Edition
ISBN: 9780393874921
Author: PALEN
Publisher: Norton, W. W. & Company, Inc.
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Chapter 9, Problem 3QP
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Chapter 9 Solutions
21ST CENT.ASTRONOMY(LL)W/CODE WKBK PKG.
Ch. 9.1 - Prob. 9.1CYUCh. 9.2 - Prob. 9.2CYUCh. 9.3 - Prob. 9.3ACYUCh. 9.3 - Prob. 9.3BCYUCh. 9.4 - Prob. 9.4CYUCh. 9.5 - Prob. 9.5CYUCh. 9 - Prob. 1QPCh. 9 - Prob. 2QPCh. 9 - Prob. 3QPCh. 9 - Prob. 4QP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is most responsible for the formation of new crust ar the edge of a tectonic plate? A. mountain building at a continent-continent convergent boundary B. magma rising up from the mantle at a divergent boundary С. two tectonic plates sliding past one another at a transform boundary D. subduction of one oceanic plate under another at a convergent boundaryarrow_forwardit down 1. Match the layers of the atmosphere with the following characteristics: Characteristies Layers of the atmosphere (i). It is about 30 km thick (ii). It contains most of the gasses of the atmosphere (iii). Its upper limit is called mesopause (iv). The meteorological phenomena occur here (v). The ozone layer is here (vi). Is the one that surrounds the living beings (vii). It contains clouds of ice and dust A. Stratosphere B. Troposphere C. Thermosphere D. Mesospherearrow_forward5. The "iceberg analogy" for the isostatic equilibrium of the continental crust turns out to be quite the relative density of icebergs versus seawater is close to the relative density of continental crust versus mantle. Glacial ice is about 15% less dense than seawater; likewise continental crust is about 15% less dense than the mantle. This leads to a simple rule that we can call the 1-to-8 rule: for every 1 unit of extra elevation for an iceberg or a mountain belt, there need to be 8 units of total thickness. These iceberg examples illustrate the idea: an iceberg 3 meters above sea level is 24 meters thick an iceberg 1 meter above sea level is 8 meters thick an iceberg 2 meters above sea level is 16 meters thick 3m 2m water level 1m >7m 14m 21m For the following questions, apply the 1-to-8 rule, assuming continental crust in isostatic equilibrium. a. Continental crust at sea level averages about 35 kilometers thick. (1 km = 0.6 miles.) Therefore, in general, how thick must the crust…arrow_forward
- Suppose earthquake A registers two more points on the Richter scale than earthquake B. a. How are their corresponding intensities related? b. How are their released energies related? a. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. A = IB + O B. A = Oc. 'A ='B O D. IA = lB -arrow_forward12. Which part of the earth makes up about one-third of earth’s total mass and is mostly iron witha solid part and a part that acts like a liquid?A. mantle B. core C. crust D. asthenospherearrow_forward3. Calculate the geostrophic wind speed in meters per second for a geopotential height gradient of 102 m per 1000 km. Compare this value with the four gradient wind speeds for the same height gradient and a radius of curvature of 500 km. Identify the anomalous and normal cyclones and anticyclones. Assume f = 10-4 s¯¹. [~ Holton 3.4] -1 Sarrow_forward
- 2. If the sun's output of solar radiation increased by 20%, how would this impact the temperature of Earth's mantle? Why?arrow_forward13. How deep in the crust is 10 kbar? Lithostatic pressure within the crusts results from the weight of the rocks above. Assume an average density of 2750 kg/m3. Use the equation P=p*g*h or P/(p *g)=h 23kPa/m P=pressure (e.g. kbar), p=density, g-gravity 9.8 m/s2, h= depth (m), 1 kbar=1,000 bars, 1 bar=100,000 Pa, 1 Pa=kg/(m*s2), 1 kbar =100,000,000 Pa, 1 km =1000 m. Give your answer in kilometers.arrow_forwardEddies- Identify the circumstances under which eddies may form. Recognize warm and cold core eddies by their core temperatures. Investigate the mechanism by which eddies transport water masses and marine life to the surface of the ocean. Ocean production may be affected by the variety of patterns of convergence and separation generated by eddies.arrow_forward
- The Hawaiian Islands have formed as the Pacific Plate moves northwestward over a hot spot of Earth’s interior that provides magma to form several volcanos. Explain what could happen if the Pacific Plate continues to move.arrow_forward11. Which part of the Earth is a hot, elastic semi-liquid layer that extends around the entire Earth?A. crust B. core C. mantle D. asthenospherearrow_forwardréptilés d. all) of these 7. The development of ozóne in the stratosphere and oxygen in the atmosphere first made possible the development of a. complex organisms b. single-cell organisms c. cyanobacteria d. all of these 8. Today, many scientists think that a. 'birds evolved from dinosaurs b. dinosaurs evolved from reptiles c. birds evolved from amphibians d. both a andb 9. Ediacaran organisms first appeared during the a. Precambrian Time b. Cambrian Period c. Permian Period d. none of these 10. As a. cyanobacteria b. trilobites evolved, they changed Earth's atmosphere by producing oxygen. c. reptiles d. dinosaurs Geologic Timearrow_forward
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