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Which is considered a more severe reaction to the presence of poisonous gases released by volcanic eruptions?
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According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons
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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.
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Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness
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Which is considered a more severe reaction to the presence of poisonous gases released by volcanic e...
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