23. This map divides countries into 2 categories, based on the dominance in their populations of:(A)births or deaths(B)male or female(C)immigration or emigration(D)young or old

28. Most of the world's coastal cities were established during the last few millennia, a period when global sea level has been near constant. Since the mid-19th century, sea level has been rising, most likely as a result of human induced climate change. During the 20th century, sea level rose by roughly:(A)1.5 to 2.0 mm/year(B)1.5 to 2.0 cm/year(C)10 cm/year(D)50 cm/year

23. This map divides countries into 2 categories, based on the dominance in their populations of:
(A)births or deaths
(B)male or female
(C)immigration or emigration
(D)young or old

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