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population pyramid is a way to visualize two variables: age and sex. They are used by demographers, who study populations. A population pyramid is a graph that shows the distribution of ages across a population divided down the center between male and female members of the population.
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Gasification is a technological process that can convert any carbonaceous (carbon-based) raw material such as coal into fuel gas, also known as synthesis gas.
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Cypress Hills of southwestern Saskatchewan and southeastern Alberta
the Rocky Mountains are younger than the Appalachian Mountains. The Appalachian Mountains are in the East and the Rocky Mountains are in the West. ... The Coast Ranges are low mountains near the ocean and Sierra Nevada is high and covered in snow.
Its location on the west coast of a continent in the midlatitudes places the climate in the path of the Westerlies. In this situation, the climate receives a constant influx of oceanic air throughout the year. The mild temperatures are a direct result of the moderating influence of ocean bodies on air temperatures.
Mediterranean climates cover a very restricted area of the planet's total land surface, mostly found between 30 and 45 degrees of latitude. ... Humid subtropical climates prevail over a larger area, mostly between 20 and 35 degrees of latitude but extending equatorward to about 15 degrees and poleward to about 40 degrees.
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Answer of this question is <span>volcanic eruptions</span>
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Analysis of the effect of these two groups of factors upon life expectancy, using data for 95 less developed countries, indicates that mortality is primarily influenced by such socioeconomic development measures as urbanization, industrialization, and education, and secondarily by such public health measures as access ...
