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Question
Which of the following is NOT a problem that has been often caused by placer mining?A) poisoning rivers with hydrogen sulphide
B) poisoning rivers with mercury
C) poisoning rivers with cyanide
D) polluting water with large amounts of suspended debris
E) causing erosion
Answer
This answer is hidden. It contains 1 characters.
Related questions
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Urbanization drives TFR down.
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Malthus was responsible for ________.
A) the book The Population Bomb, which described the disastrous effects of human population growth
B) the idea that, without social strictures, the increase in the human population would lead to famine and war
C) the concept that human population growth would lead to greater industry and prosperity through education
D) instituting fertilizer use for agriculture
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The most accurate terms describing the trend over the past 50 years in resource use for human energy and agricultural systems are ________.
A) increasing and unsustainable
B) decreasing and sustainable
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According to the IPAT model, the introduction of industrialized fisheries that use big trawlers, satellite navigation, and sonars to locate the fish ________.
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If global fertility rates remain at 2010 levels, the United Nations predicts that the world population will be approximately ________ billion in 2050.
A) 11
B) 9
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The transitional stage in Frank Notestein's demographic model is initiated by ________.
A) government intervention
B) the increased use of contraceptives
C) epidemics
D) industrialization
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Currently, the highest TFRs are in ________.
A) Africa
B) Asia
C) Latin America
D) Oceania
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Briefly explain how the status of women affects population growth.
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A) facilitation
B) succession
C) coevolution
D) climax
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A) primary succession
B) secondary succession
C) coevolution
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B) have wide temperature between day and night
C) lack insects
D) have relatively low precipitation
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Briefly explain deep ecology.
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Toronto's greenbelt, created by the government of Ontario, is a means of ________.
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C) once roads are widened, traffic congestion decreases
D) prohibition of motorized vehicles in urban areas reduces pollution and saves energy
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What is a downside of establishing urban growth boundaries (UGB)?