The coastal plain is divided from the rest of the country by: steep mountains large rivers a snow cap an isthmus

steep mountains

so a

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explanation:

a primary sousrce was there already born and a secondary sousce is when a soil that has been use is being use again that a secondary

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live