Q: Which theory describes the benzene molecule and other planar aromatic hydrocarbon molecules as hexagonal rings of sp2-hybridized carbon atoms with the unhybridized p orbital of each carbon atom perpendicular to the plane of the ring? Choices: - hybrid orbital theory - covalent bond theory - molecular orbital theory - valence bond theory A:
valence bond theory
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Q: Where is the fruiting body normally produced in relation to the food source? Choices: - at the root - in the soil - underneath the surface - at the surface A:
at the surface
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Q: What is the reaction called when an acid and a base react? Choices: - activation - oxidation - decomposition - neutralization A:
neutralization
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Q: What is the process that breaks down rocks into smaller pieces? Choices: - erosion - bracing - bleaching - weathering A:
weathering
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