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Process of Science: Our theory of solar system formation suggests that larger planets cool more slowly than small ones.What does this suggest regarding geologic activity on Venus? Do we expect Venus to be geologically active? How did scientists test this hypothesis?
Periaqueductal Gray Matter
A region of the midbrain involved in modulating pain perception and in coordinating fight or flight responses.
Semicircular Canals
Three looped tubes in the inner ear that are filled with fluid and help with maintaining balance by detecting head rotation.
Action Potentials
Brief electrical impulses that serve as the fundamental signals by which information is transmitted along nerve cells.
Endolymph
A fluid contained in the inner ear, playing a critical role in translating the movements of the head into neural signals for the brain to interpret balance and spatial orientation.
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Q135: Which best describes the composition of the