Astronomy
1st Edition
ISBN: 9781938168284
Author: Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher: OpenStax
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Textbook Question
Chapter 8, Problem 4E
Explain briefly how the following phenomena happen on Earth, relating your answers to the theory of plate tectonics
A. earthquakes
B. continental drift
C. mountain building
D. volcanic eruptions
E. creation of the Hawaiian island chain
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Chapter 8 Solutions
Astronomy
Ch. 8 - What is the thickest interior layer of Earth? The...Ch. 8 - What are Earth’s core and mantle made of? Explain...Ch. 8 - Describe the differences among primitive, igneous,...Ch. 8 - Explain briefly how the following phenomena happen...Ch. 8 - What is the source of Earth’s magnetic field?Ch. 8 - Why is the shape of the magnetosphere not...Ch. 8 - Although he did not present a mechanism, what were...Ch. 8 - List the possible interactions between Earth’s...Ch. 8 - List, in order of decreasing altitude, the...Ch. 8 - In which atmospheric layer are almost all...
Ch. 8 - What is, by far, the most abundant component of...Ch. 8 - In which domain of living things do you find...Ch. 8 - Describe three ways in which the presence of life...Ch. 8 - Briefly describe the greenhouse effect.Ch. 8 - How do impacts by comets and asteroids influence...Ch. 8 - Why are there so many impact craters on our...Ch. 8 - Detail some of the anthropogenic changes to...Ch. 8 - If you wanted to live where the chances of a...Ch. 8 - Which type of object would likely cause more...Ch. 8 - If all life were destroyed on Earth by a large...Ch. 8 - Why is a decrease in Earth’s ozone harmful to...Ch. 8 - Why are we concerned about the increases in CO2...Ch. 8 - Do you think scientists should make plans to...Ch. 8 - Europe and North America are moving apart by about...Ch. 8 - Over the entire Earth, there are 60,000 km of...Ch. 8 - With the information from Exercise 8.25, you can...Ch. 8 - What is the volume of new oceanic basalt added to...Ch. 8 - Suppose a major impact that produces a mass...Ch. 8 - How do the risks of dying from the impact of an...Ch. 8 - What fraction of Earth’s volume is taken up by the...Ch. 8 - Approximately what percentage of Earth’s radius is...Ch. 8 - What is the drift rate of the Pacific plate over...Ch. 8 - What is the percent increase of atmospheric CO2 in...Ch. 8 - Estimate the mass of the object that formed Meteor...
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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
- From Hawaii to the bend in the Hawaiian-Emperor chain is about 4000 km. Use the speed of Pacific plate motion given in Problem 7 to estimate how long ago the direction of plate motion changed. (Note: It may not be a coincidence that the San Andreas fault became active in what is now Southern California at about the same time.) 7. The Hawaiian-Emperor chain of undersea volcanoes is about 7500 km long, and the Pacific plate is moving 9.2 cm a year. How old is the oldest detectable volcano in the chain? What has happened to older volcanoes in the chain?arrow_forwardWhich of the five Terrestrial worlds have plate tectonics? How do you know?arrow_forwardWhat are Earth’s core and mantle made of? Explain how we know.arrow_forward
- Tutorial A tectonic plate has been moving for 81.5 million years over a hotspot, creating a chain of volcanoes 8,465 km long. How fast is the plate moving (in cm/s)? If there are mountains forming in the north-northeast and a mid ocean rise forming in the south-southwest, what direction is the plate moving? Part 1 of 2 To determine the speed of the plate we need to divide the distance traveled by the time. distance V = time V = Enter a number. ce and the time given to calculate the speed in km/s. km/s Then to convert to cm/s, we use 1 km = 10° cm. V = How many centimeters are in a kilometer? cm/sarrow_forwardQUESTION 3 The surface of Venus receives a. a lot more sunlight than the surface of the Earth b. much less sunlight than the surface of the Earth c. about as much sunlight as the surface of the Earth QUESTION 4 Venus has very low surface wind speed because a. the greenhouse effect makes the surface temperature nearly uniform b. it has a very thin atmosphere c. the thick clouds don't allow for much convection in the atmosphere d. it doesn't have a large moonarrow_forwardPlate Plate. Fil out the information for a Mid-Ocean Ridge. Boundary type: v and Type of plate: How it's formed: 4. 5arrow_forward
- What is remanent magnetism? How can it be used to track the movement of continents over time?arrow_forwardOver the entire Earth, there are 60,000 km of active rift zones, with average separation rates of 5 m/ century. How much area of new ocean crust is created each year over the entire planet? (This area is approximately equal to the amount of ocean crust that is subducted since the total area of the oceans remains about the same.)arrow_forwardLook at the hemispheres of Earth shown on the two pages of The Active Earth. Name a folded mountain range. Describe the locations of one subduction zone and one midocean rise.arrow_forward
- What evidence indicates that plate tectonics does not occur on Venus? On Mars?arrow_forwardOn what crustal plate is Los Angeles located, and in which direction is the plate moving?arrow_forwardUse the diagram below to answer the following question(s). Trench Mid-ocean ridge Trench Hot Hol Hot Cold Mantle Cold Based on the diagram, which process explains why less densc, hot magma rises to the surface to displace more densc, cooler magma? A. conduction B. diffusion C. radiation D. convectionarrow_forward
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