Human Impact 10-questions Practice Test with answers

Feb 3rd, 2012
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This is a 10-questions test in biology about human impact. It might be easier to answer your own test questions based on this test.

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Human ImpactTop of FormQuestion 1Select one answer.10 pointsAnthropogenic global climate change is the recent and ongoing shift toward warmer temperatures and other climate disruptions caused by human alteration of Earth's atmosphere.True (recent Earth temperature increase is due to anthropogenic global climate change)FalseQuestion 2Select one answer.10 pointsThe greenhouse effect is the recent and ongoing shift toward warmer temperatures and other climate disruptions caused by human alteration of the Earth's atmosphere.TrueFalse (The greenhouse effect is not just an anthropogenic shift since it always plays a critical role for the climate regardless of the human activity. It is rather a process of absorbtion of the thermal radiation from the Earth's surface by atmospheric greenhouse gases)Question 3Select one answer.10 pointsWhich option lists three important greenhouse gases?carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O)O3(ozone), CFCs, and SO2(sulfur dioxide)nitrogen gas (N2), oxygen gas (O2), and carbon dioxide (CO2)Question 4Select one answer.10 pointsThe following are estimates from the U.S. Census Bureau's International Database. They are averages for populations in two different groups of countries in 2012.Group A:Total fertility 1.6 births per woman over a lifetime, life expectancy 78 years at birth, and population growth rate 0.3 % per year.Group B:Total fertility 2.6 births per woman over a lifetime, life expectanc

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