Which statement can be supported by using a position-time graph? A negative slope results when an individual is moving away from the origin
A horizontal line on the graph means the individual is moving at a non-zero velocity
A positive slope results when an individual is moving away from the origin.
The speed of an individual cannot be determined from this type of graph.
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why do the isotopes of a particular element behave differently in nuclear reactions but the same in chemical reactions? chemical reactions involve changes to electrons in an atom; isotopes do not differ in electrons, and so they react the same way during chemical changes.

the answer would be a

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