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What are the major natural sources of potassium used by plants?
Cerebrospinal Fluid
A clear, colorless body fluid found in the brain and spinal cord, acting as a cushion for the brain's cortex, providing basic mechanical and immunological protection to the brain inside the skull.
Roman Numeral
Symbols used in a system of numerical notation based on the ancient Roman system, typically utilizing letters such as I, V, X, L, C, D, and M.
Cranial Nerve
One of twelve nerves that originate in the brain and provide motor and sensory input directly to and from areas of the head and neck.
Anterior
Referring to the front or towards the front of the body; opposite of posterior.
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