A testable statement about the natural world that can be used to develop inferences and explanations |
Heat transfer in a fluid by the circulation of currents due to the differences in density
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Sequence of changes that occurs in a star as it ages; this process is driven by gravity due to mass and pressure due to nuclear fusion
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Nucleic acid that contains all of the genetic instructions for an organism |
Basic unit of matter |
Change in the genetic material of a cell |