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einsteindude einsteindude
wrote...
Posts: 5058
9 years ago
Earth's "greenhouse effect" problem is important because
A) CO2 is a toxic pollutant.
B) it might warm up our entire planet.
C) we must breath CO2 in order to live.
D) it could cause increased skin cancer.
E) it is a result of our use of nuclear energy, one of our prime sources of energy.
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
Authors:
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mel!811mel!811
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Posts: 2794
9 years ago
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