I assume the mountainous area.
Explanation: Hydroponic describes planting without soil. When there is erosion on a mountain area, any soil or dirt would likely go away.
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Because they would need to compete over resources.
True false question?
If so think its true
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Rather, each myelin sheath insulates the axon over a single long section and, in general, each axon comprises multiple long myelinated sections separated from each other by short myelin sheath-gaps called nodes of Ranvier. ... In the CNS, axons carry electrical signals from one nerve cell body to another.