Cumulative Exam — Cumulative exam Answers

Which of the following changes to waterways is only the result of human activity?a.erosionb.temperature fluctuationsc.floodingd.chemical pollution

The largest supply of Earth’s freshwater is stored in _______.a.lakes and riversb.groundwaterc.the atmosphered.glaciers and icecaps

Soil compaction results from _______.a.the reduction or elimination of pore space in soilb.the weight of heavy machinery on soilc.livestock walking over soild.all of the above

Carbon credits are used to _______.a.rehabilitate tropical rainforestsb.reduce the emission of volatile organic compounds (VOC’s)c.regulate how much carbon dioxide a country can emitd.coordinate carbon sequestration activities

In which region would you find the lowest concentration of public land in the United States?a.the Pacific Northwestb.the West coastc.New Englandd.the Midwest

The efforts of governments and businesses toward conservation and preservation have had a positive impact on the environment.

How does groundwater become polluted?a.Pollutants mixed with water pass through permeable layers above the aquifer.b.Factories dump their waste directly into aquifers.c.Refuse infiltrates the water table when garbage is dumped.d.All of the above

Which of the following characteristics would be most crucial in land that is to be used for farming?a.clear, distinct horizons with organic matter and mineral nutrientsb.no horizon development with large mineral depositsc.large accumulations of organic matterd.distinct horizons with minimal layers of organic material

Which of the following aspects of the environmental movement addresses the public’s right to intervene in environmentally damaging activities on private land?a.environmental justiceb.environmental sociologyc.environmental lawd.environmental activism

What is the most important consideration for environmental policy makers?a.popular opinionb.environmental healthc.costd.none of the above