You need at least 3. seismic stations provide only a circle around the station. so from geometry 3 circles intersect in a point. that is why you need 3 stations
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job insecurity
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I don't know can't remember
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Weather describes the condition of the atmosphere over a short period of time e.g. from day to day or week to week, while climate describes average conditions over a longer period of time. The climate of an area or country is known through the average weather over a long period of time.
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A: Atoms! Hope this helps ur welcome.
