Answered: What is the value of isotopes in…

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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What is the value of isotopes in helping us to see what is contributing to elevated levels of COz in the atmosphere? The forms of CO2 that are increasing in the atmosphere are the 13C02 and 14C02 forms Thus, since burning fossil fuels releases these forms of CO2 into the atmosphere this proves that humans are the prime movers of climate change 12C02 can be released into the atmosphere when fossil fuels are burned, but this is not the isotope of carbon that is actually increasing in the atmosohere • COZ is primarily released from the belching (out gassing) of oceans and volcanoes. Thus, the combustion of fossil fuels contributes very little to the overall COz composition of the atmosphere compared to these alternative sources Photosynthetic organisms mostly take up the 12C02 version of CO2 Thus, when we burn the fossil fucis that they become, we end up putting more of that isotope of carbon las 12C02) into the atmosphere What is the relationship among atoms, minerals, and rocks? O Rocks are made of atoms and minerals are not made of atoms. O Atoms makeup rocks and minerals, but not all rocks are made of atoms • Minerals makeup rocks but atoms do not. O Rocks are made of minerals and minerals are made of atoms.

Expert Solution

Step 1

Isotopes are the different forms of same element. Isotopes have the similar number of protons as the parent form. However, the number of neutrons in the nuclei is different from the parent form.