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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Gurjeet Gurjeet
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7 years ago
The amount of iron on the earth today as compared to the amount of iron 120 years ago (approximately the beginnings of the Industrial Revolution) is
A) less.
B) essentially the same.
C) more.
D) cannot be estimated or predicted.
Textbook 
Chemistry for Changing Times

Chemistry for Changing Times


Edition: 13th
Authors:
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- University of Colorado
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tropicauxtropicaux
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7 years ago
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Gurjeet Author
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#2
7 years ago
You're an amazing chem teacher, thanks
- University of Colorado
- Part-time TA
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