Explanation:
The study of the structure, properties, composition, reactions, and preparation of carbon-containing compounds
Compare the density of the rubber to water. If it is less that 1 g/mL then it floats in the water.
You must compare density in the same units. So convert to g/mL

The rubber does not float in water.
The level is 1.59 of natural forest
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The answer to this is Answer choice C: CaCl2
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