When did the dense core form?
1. After the first continents and oceans
2. At the beginning wh...
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Select the correct answer. wax is a nonpolar substance. in which type of substance is it the most soluble?
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How much energy is required to vaporize 2 kg of copper? a 4730 kj b 207kj c 9460 kj d 414kj
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