What social challenges are posed by a pyramid?shaped versus an inverted pyramid-shaped age structure diagram?
What will be an ideal response?
Growing populations have a pyramid?shaped age structure diagram. Growing populations face problems associated with depletion of resources such as fertile agricultural and grazing land, clean water, and raw material and energy stores. They face the threat of war as people fight over limited resources. Growing populations also face issues of dealing with increased pollution and waste. An inverted pyramid-shaped age structure diagram reflects an aging population. Aging populations face the challenges of caring for their elderly. Social programs such as health care and Social Security may become stressed to the limit as there are fewer young workers to support those who are beyond their most productive years. Economic growth may be compromised, and there might be a weaker military.
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Discuss the nature of geography
What will be an ideal response?
How does burning coal contribute to both increasing and decreasing global temperature?
What will be an ideal response?
We can use X-rays to determine the internal structure of a mineral, and thereby ________.
A. change the mineral's structure. B. shrink the mineral. C. destroy the mineral. D. identify the mineral. E. change the mineral's composition.
Which statement correctly describes gravity?
A. an attractive force that acts between all objects through contact B. an attractive force that acts between all objects without contact C. a repulsive force that acts between all objects through contact D. a repulsive force that acts between all objects without contact