Homework Questions 3&4
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Considering the historical context of early U.S. environmental policy, which statement best reflects the transformation of environmental policy over time?
Environmental policy initially facilitated westward expansion and resource extraction before gradually incorporating conservation measures.
Published in the 1960s, Rachel Carson’s book Silent Spring ________.
focused on chemical pollutants, including industrial chemicals
A law prohibiting the destruction of habitat for an endangered species would be an example of
a command-and-control policy.
A cap-and-trade system for SO2 would be an example of
an economic policy tool.
Is it possible to manage nonrenewable resources sustainably?
yes
How is it possible that the population of each country increased, although the TFR has decreased?
if there are numerous women of childbearing age and a relatively small number of older individuals within a given society, the death rate will be low, so even though the TFR is below the replacement rate, the population may remain stable or even increase slightly.
What percentage of grain produced in the United States is used for human consumption?
27% or Less than 2%
Which component constitutes the highest proportion of soil content according to the described composition?
Mineral Matter
Which soil horizon is most crucial for agriculture due to its high nutritive value for plants?
A horizon
What is the term used to describe an organism that integrates DNA from another species?
Transgenic organism
The greatest species diversity is found in which of the following groups?
Insects
What percentage of processed foods contain at least one GMO ingredient?
70%
Removal of which of the following species will result in the greatest changes in an ecological system?
A keystone species
Contrary to popular belief, the Endangered Species Act allows ________.
landowners to harm a protected species in one area if they improve habitat for it elsewhere
The greatest cause of the worldwide loss of species is ________.
habitat destruction
What does the ‘take’ mean under Section 9 of the Endangered Species Act?
Harassing or harming the species Hunting, shooting, or wounding Capturing or collecting the species All of the Above
The National Environmental Policy Act (NEPA) ________.
required environmental impact statements for any projects funded by the U.S. government
International environmental policies arise from ________.
international conventions or treaties
Leaders striving for sustainable development aim to satisfy a triple bottom line, which involves what three goals?
economic advancement, environmental protection, and social equity
Cap and trade is a system that ________.
permits industries that pollute under the federal cap to sell credits to industries that pollute
Enforcement and elaboration of U.S. legislation is given to ________.
administrative agencies
An environmental impact statement is required ________.
for any federal action that may affect U.S. environmental quality
According to the figure, Nigeria has a ________ population size than Canada, with a ________ median age and a ________ proportion of the population at postreproductive age.
larger; lower; smaller
Which of the following best describes the human population from early times to the present?
slow, uneven growth until the 1800s, then increasingly rapid growth