continental shelf: 200 m depth or to depth of exploitation exclusive economic zone: 200 nm territorial sea: 12 nm International disputes: territorial claim in Antarctica (Chilean Antarctic Territory) Climate: temperate; cold, cloudy winters with dry, hot, cloudless summers; northernmost regions along Iranian and Turkish borders experience cold winters with occasionally heavy snows Terrain: narrow coastal plains Natural resources: petroleum, fish, shrimp, natural gas 180 km Ports: Luanda, Lobito, Namibe, Cabinda Merchant marine: 46 ships (1,000 GRT or over) totaling 12,507 GRT/21,923 DWT Airports: total: 116 usable: 104 with permanent-surface runways: 1 with runways 1,220-2,439 m: 4 with runways 2,440-3,659 m: 2 with runways over 3,659 m: 0 with runways 2,440-3,659 m: 0 with runways over 3,659 m: 0 with runways over 3,659 m: 0 with runways 2,440-3,659 m: 1 with runways 2,440-3,659 m: 7 with runways 2,440-3,659 m: 22 Telecommunications:
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