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What is the next step if the data from an investigation do not support the original hypothesis?
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Noble gases are the most reactive elements on the periodic table. a. true b. false
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Explain why scientists use shared characteristics to make cladograms.
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How are isotopes of the same chemical element alike? how are they different?
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Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
What is the next step if the data from an investigation do not support the original hypothesis?...
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