Knowledge, Wealth and Health
1. Compared with less developed countries, more developed countries have lower
A: pupil/teacher ratios.
2. An important reason for the large number of retired people in developed countries is their
A: more stable social safety net.
3. Which of the following regions has the lowest life expectancy at birth?
A: sub-Saharan Africa
4. Which of the following consumer goods has most affected developing nations over the past 20 years?
A: the cell phone
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Knowledge, Wealth and Health
1. The pupil/teacher ratio refers to the number of students per teacher in schools. In more developed countries, this ratio is generally lower compared to less developed countries. This means that there are fewer students for each teacher in schools in more developed countries.
2. One important reason for the large number of retired people in developed countries is their more stable social safety net. Developed countries often have well-established pension systems and social security programs that provide income support for retirees. These systems help ensure a more comfortable retirement for individuals and encourage early retirement.
3. Sub-Saharan Africa is the region with the lowest life expectancy at birth. Life expectancy at birth is an estimate of the average number of years a newborn is expected to live. Due to various factors such as poverty, infectious diseases, inadequate healthcare access, and high child mortality rates, sub-Saharan Africa experiences significantly lower life expectancies compared to other regions.
4. The cell phone has had a profound impact on developing nations over the past 20 years. The widespread availability and accessibility of cell phones have transformed communication, connectivity, and access to information in these nations. Cell phones have facilitated economic growth, improved healthcare outcomes, enhanced educational opportunities, and empowered individuals by providing a means for social and economic inclusion. The cell phone has bridged the digital divide and brought significant changes to the lives of people in developing nations.
To find the answers to these questions, we need to analyze the given information.
1. The question is comparing pupil/teacher ratios in more developed countries with less developed countries. To determine the answer, we can research statistical data on education in different countries. International organizations like UNESCO or World Bank provide such data. By comparing the data on pupil/teacher ratios in both sets of countries, we can conclude that more developed countries generally have lower pupil/teacher ratios.
2. The question relates to the large number of retired people in developed countries. One possible reason mentioned in the question is their more stable social safety net. To understand why this is the case, we can examine the social security systems in different countries. Developed countries tend to have stronger social safety nets, including robust pension plans and comprehensive healthcare coverage. This provides older individuals with more financial security, which may encourage retirement.
3. The question asks about the region with the lowest life expectancy at birth. To find the answer, we need to analyze global health data. Organizations like the World Health Organization (WHO) publish reports on life expectancy by country or region. By examining these reports, we can determine that sub-Saharan Africa generally has the lowest life expectancy at birth compared to other regions.
4. The question inquires about the consumer good that has had the most significant impact on developing nations over the past 20 years. This requires analyzing the trends and effects of consumer goods on developing countries. One possible consumer good that has had a substantial impact on developing nations in recent years is the cell phone. The widespread availability and affordability of cell phones have revolutionized communication, access to information, and even financial services in many developing countries.
To answer these questions accurately, it is essential to rely on authoritative sources of data and research to ensure accurate and up-to-date information.