Chemistry

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

More Questions from Chemistry
What symbol appears on the periodic table for the element with the atomic number 70?
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Who performed the infamous gold-foil experiment that first detected the existence of the atomic nucleus?
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What is the addictive chemical in cigarettes?
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Which of these chemicals is often used to reduce phosphates in water?
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What type of property does the water cycle show?
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What device controls temperature with a switch?
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What is the symbol used on the periodic table for the element Americium?
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What color is ozone gas?
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