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(c) For organic matter, what object represents the greatest source of carbon per year? Is this carbon likely to arrive steadily over time?

(c) For organic matter, what object represents the greatest source of carbon per year? Is this carbon likely to arrive steadily over time?

Applications and Investigations in Earth Science (9th Edition)
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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Table 1.7 Accretion rates on Earth today. Sources Mass range /kg Mass accretion rate Carbon % Carbon (estimated) /106 kg yr-l accretion rate /106kg yrl meteoritic matter meteors (from comets) 10-17 to 10-! 16.0 10.0 meteorites 10-2 to 10$ 0.058 1.3 crater-forming bodies 105 to 1015 62.0 4.2 unmelted material contributing organic matter meteors (from comets) 10-15 to 10-9 3.2 10.0 meteorites, non-carbonaceous 10-2 to 105 2.9 x 10-3 0.1 meteorites, carbonaceous 10-2 to 105 1.9 × 10–4 2.5
Transcribed Image Text:Table 1.7 Accretion rates on Earth today. Sources Mass range /kg Mass accretion rate Carbon % Carbon (estimated) /106 kg yr-l accretion rate /106kg yrl meteoritic matter meteors (from comets) 10-17 to 10-! 16.0 10.0 meteorites 10-2 to 10$ 0.058 1.3 crater-forming bodies 105 to 1015 62.0 4.2 unmelted material contributing organic matter meteors (from comets) 10-15 to 10-9 3.2 10.0 meteorites, non-carbonaceous 10-2 to 105 2.9 x 10-3 0.1 meteorites, carbonaceous 10-2 to 105 1.9 × 10–4 2.5
(c) For organic matter, what object represents the greatest source of carbon per year? Is this carbon likely to arrive steadily over time?
Transcribed Image Text:(c) For organic matter, what object represents the greatest source of carbon per year? Is this carbon likely to arrive steadily over time?
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