Chemistry

What sort of change happens to a head of lettuce when you cut it in half?

More Questions from Chemistry
Which of these objects has the most mass?
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What is the most abundant halogen found in the Earth's crust?
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Which is not a component of black powder?
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Acetic acid gets its name from which of the following?
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What is the chemical element with symbol "N" and atomic number 14?
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Lutetium on the periodic table is noted by which symbol?
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Which is a chemical often injected into lips for plastic surgery?
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Europium on the periodic table is noted by which symbol?
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