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Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.
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Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
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What will most likely happen when two bromine atoms bond together?
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If the number of moles of a gas initially contained in a 2.10 l vessel is doubled, what is the final...
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