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ENSC FINAL EXAM |Questions Solved 100% Correct
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ENSC FINAL EXAM |Questions Solved 100% Correct
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ENSC FINAL EXAM |Questions Solved 100%Correct
True or False:
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. - ✔✔true
True or false:
European nations have the greatest Total Fertility rate and the greatest poverty - ✔✔false
true or false
Today human population is approximately 5.1 billion people. - ✔✔false
true or false:
The United States of America have the highest population growth rate - ✔✔false
Which of the following factors drives Total Fertility Rate down? - ✔✔social and economic
security
Declining death rates due to increased food production and improved medical care while birth
rates remain high is characteristic of the ________ stage. - ✔✔transitional
During which time period did the world's population more than double? - ✔✔1950—2000
, A country with ________ is not expected to grow quickly in the near future. - ✔✔high female
employment and literacy
According to the IPAT model, technology that enhances our acquisition of minerals, fossil fuels,
timber, and ocean fish ________. - ✔✔increases environmental impact
Which of the following is a cause rather than a consequence of human population growth? -
✔✔better sanitation
Carbon dioxide is ________. - ✔✔the most potent (per molecule of gas) of the greenhouse
gases
Keeling's reports from Mauna Loa demonstrated ________. - ✔✔an increase in tropospheric
CO2 from the 1950s to present
In legislation, the precautionary principle applied to climate change, states that ________. -
✔✔lack of full scientific certainty shall not be used to postpone measures to prevent major
environmental degradation
The greenhouse effect involves warming of Earth's surface and the ________. -
✔✔troposphere
Recent evidence from polar ice core analysis shows that, until now, carbon dioxide levels have
never exceeded ________ ppm in the last several hundred thousand years. - ✔✔300
The atmosphere around Earth can cause global warming because ________. - ✔✔molecules
in the atmosphere are warmed by radiation from Earth and retain that heat
Earth's climate ________. - ✔✔is changing as a result of natural and human processes
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