Abiotic factors are non- living factors and biotic or factors that were once living
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The function of the PNS (Peripheral Nervous System) is to connect the CNS (Central Nervous System) to the limbs and organs, basically serving as a communication center going back and forth between the spinal cord, the brain, and the rest of the body.
They both may have gone to a chilly area from their instincts.
Continental air masses are characterized by dry air near the surface while maritime air masses are moist. Polar air masses are characterized by cold air near the surface while tropical air masses are warm or hot. Arctic air masses are extremely cold.