Two that I know of are a sextant, and maybe an astrolabe
Less Developed Country (LDC) or Less Economically Developed Country (LEDC)
<span> The country's poorest and least developed region is the semi-arid North-East. This region has historically had the single largest concentration of rural poverty in Latin America, with more than half of the total population and three quarters of the rural population being poor. Low income. mainly the big cities in south-east Brazil. the ranking of cities is being followed by the graph.
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</span><span>short answer: yes the graph does follow the rank size distribution from the graph.</span>
Desert
pavement is created as a result of deflation. Desert
pavement is formed by the process of deflation. Normally, small and fine
fragments are carried by wind since they are light in weight as the larger
compact particles are left behind. What remains is rocky, compact, and not
easily eroded, and it is what is commonly referred to as the desert pavement.