Earth, which is mostly rock and iron, has a density of 5515 kg/m3. Ganymede, Jupiter’s largest satellite, contains much water and water ice and has a density of 1940 kg/m3. Io has a density of 3570 kg/m3. What conclusions have astronomers drawn from this? Group of answer choices A) Io must be composed of some new material other than rocks, iron, water, or ice. B) Io is composed of compressed water and water ice. C) Io is mostly rock and iron, but because of its smaller mass it cannot compress the material as much as Earth can. D) Since Io is smaller than Earth, it is expected to have a smaller density regardless of composition.
Earth, which is mostly rock and iron, has a density of 5515 kg/m3. Ganymede, Jupiter’s largest satellite, contains much water and water ice and has a density of 1940 kg/m3. Io has a density of 3570 kg/m3. What conclusions have astronomers drawn from this? Group of answer choices A) Io must be composed of some new material other than rocks, iron, water, or ice. B) Io is composed of compressed water and water ice. C) Io is mostly rock and iron, but because of its smaller mass it cannot compress the material as much as Earth can. D) Since Io is smaller than Earth, it is expected to have a smaller density regardless of composition.
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Question
Earth, which is mostly rock and iron, has a density of 5515 kg/m3. Ganymede, Jupiter’s largest satellite, contains much water and water ice and has a density of 1940 kg/m3. Io has a density of 3570 kg/m3. What conclusions have astronomers drawn from this?
Group of answer choices
A) Io must be composed of some new material other than rocks, iron, water, or ice.
B) Io is composed of compressed water and water ice.
C) Io is mostly rock and iron, but because of its smaller mass it cannot compress the material as much as Earth can.
D) Since Io is smaller than Earth, it is expected to have a smaller density regardless of composition.
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