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Across 4. of or relating to the regions around the North Pole. 5. graph that depicts population distribution by age and sex (2 Words) 8. Canada's south-western coastline (2 Words) 9. a relatively dry climate with very hot summers and very cold winters. (2 Words) 11. the leading edge of a cooler mass of air, replacing at ground level a warmer mass of air, with low pressure (2 Words) 13. downwind of a mountain 15. the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles. 17. many forests 18. How did showing where people live in an area. For example, a scattered distribution along the coastline or Road. (3 Words) 19. study of population members, distributions, trends, and issues. 20. movement of large numbers of people from one place to another.

Down 1. direction of wind toward where the wind is coming from. 2. difference between the birth rate and the death rate of a country (3 Words) 3. warm summers and cool winters, with a relatively narrow annual temperature range. (2 Words) 6. the transition zone where a warm air mass is replacing a cold air mass. (2 Words) 7. the uncontrolled expansion of urban areas (2 Words) 10. a system or group of parallel mountain ranges together with the intervening plateaus and other features. 12. how long it would take for a country's population to double at the country's current rate of population growth. (2 Words) 14. a region having little rainfall because it is sheltered from prevailing rain-bearing winds by a range of hills. 16. a solid inorganic substance of natural occurrence.