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Describe how each layer of the earth is different based on its density and chemical composition. response describe the relative density of each layer as well as the different chemicals that make up the layer.
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Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels
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What are the three different shapes or structures shapes or structure of carbon-based molecules?
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Describe how each layer of the earth is different based on its density and chemical composition. res...
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