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Question
Describe two ways that salt can be removed from seawater.Answer
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________ can be quantified as the number of individuals of a given species that can be sustained by the biological productivity in a given area.
A) Carrying capacity
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A) introduction of invasive species
B) loss of biodiversity
C) loss of arable land to expanding cities
D) extensive use of pesticides and fertilizers
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C) peer review
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Ruben has a new puppy and wants to feed it the best possible food. He decides on an experiment where he will feed it the very best canned food plus a dietary supplement of vitamins recommended by a veterinarian. Which of the following best describes Ruben's project?
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B) Ruben needs to take measurements of the puppy's weight and height at least once a week for it to be a good experiment.
C) Ruben needs to control for the amount of exercise, water, and care that the puppy gets each week, so that they are equal from week to week.
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How does the lesson of Easter Island apply to the modern world?
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Differentiate between renewable and nonrenewable natural resources. Give examples of each.
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Match the following.A) ecologyB) natural sciencesC) hypothesisD) qualitative dataE) dependent variableF) environmental studiesG) quantitative dataH) predictionI) independent variableJ) correlationK) experimental dataL) probability1. A scientific field of study2.Information expressed with numbers3.The variable that is manipulated4.Expectations of experimental outcome5.Numerical expression of the likelihood that a conclusion is true6.Social studies dealing with environment are part of
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Many permafrost soils in the Arctic are peat soils.
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Shelterbelts are to ________ as terraces are to ________.
A) wind erosion; water erosion
B) water erosion; wind erosion
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D) stratification; salinization
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The Canadian agency charged with slowing soil degradation is the ________.
A) Soil Aggregation Service
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E) There is no Canadian agency charged with soil degradation, only volunteer firms funded by farmers.
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Farmer John bought a field in which soils have lots of sand particles. This suggest that this soil will have ________.
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What are the advantages of biochar?
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The artificial provision of water to support agriculture is known as ________.
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How does climate explain the poor soils in the Amazon rainforests?
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Explain the no-till method and discuss its pros and cons.
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Discuss the factors that affect the severity of soil loss to wind erosion.
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Aside from contraception, what can humans do to control population growth's negative effects on the environment?
A) encourage consumption
B) encourage emigration from Africa
C) discourage emigration from Africa
D) discourage population movement into sensitive environmental areas
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Why did China institute a population control policy? How is it enforced? Why is it controversial?
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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
E) the political stance that the environment was important in its own right
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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
C) steady state and sustainable
D) from unsustainable to sustainable
E) rapidly increasing, moving from unsustainable to sustainable