Question

Question 1 (5 points)

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A company wants to start a nuclear power plant as a way to produce clean energy. They want to use the same reaction that's used in thermonuclear weapons. Which of the following explains why this is not possible?
Question 1 options:


A)
The energy in nuclear fusion can't be generated in a controlled manner.


B)
The energy in nuclear fission produces chemicals that harm the environment.


C)
The energy in nuclear fission burns out as soon as it's produced.


D)
The energy in nuclear fusion is too small to generate electricity.
Question 2 (5 points)

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How does the hydroelectric dam pictured here impact the environment?
Question 2 options:


A)
By producing greenhouse gases


B)
By generating significant heat that artificially warms nearby water


C)
By releasing toxic chemicals in their emissions


D)
By blocking fish migration
Question 3 (5 points)

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What are the two processes underlying this image that turn peat into coal?
Question 3 options:


A)
Peatification and coalification


B)
Petrification and coalification


C)
Peatification and lignitigation


D)
Lignitigation and coalification
Question 4 (5 points)

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What determines the maximum rate at which a renewable resource can be harvested?
Question 4 options:


A)
The nitrogen cycle


B)
Desalination


C)
Sustainable yield


D)
Siltation
Question 5 (5 points)

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During the Carboniferous period, plants and animals grew very large due to high concentration of
Question 5 options:


A)
carbon dioxide in the oceans.


B)
argon in the oceans .


C)
oxygen in the atmosphere.


D)
nitrogen in the atmosphere.
Question 6 (5 points)

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What's the greenhouse effect?
Question 6 options:


A)
Human-caused global warming


B)
The regulation of atmospheric and surface temperatures


C)
The release of extra moisture from water vapor


D)
The trapping of warm air in cities
Question 7 (5 points)

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You suspect that a sample of rock dates from about 200,000 years ago. If you want to determine an absolute date for this rock, which dating method would you use?
Question 7 options:


A)
Principle of inclusions


B)
Potassium/argon dating


C)
Carbon/nitrogen dating


D)
Uranium/lead dating
Question 8 (5 points)

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What marked the end of the Precambrian period?
Question 8 options:


A)
The appearance of complex, multicellular animals


B)
The development of DNA-based viruses


C)
The division between archaea and eukarya


D)
The emergence of simple, protist-like animals
Question 9 (5 points)

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Ozone in the upper atmosphere has been depleted by
Question 9 options:


A)
oxygen.


B)
carbon dioxide.


C)
sulfur dioxide.


D)
chlorofluorocarbons.
Question 10 (5 points)

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When the population of organisms in an environment nears the carrying capacity, what inevitably happens to the population growth rate?
Question 10 options:


A)
Changes from exponential to logistic growth


B)
Continues growing exponentially


C)
Changes from logistic to exponential growth


D)
Continues growing logistically

Answer 1

Q1: A
Q2: D
Q3: A
Q4: C
Q5: C
Q6: B
Q7: B
Q8: A
Q9: D
Q10: A

Brief notes: Q1 — fusion is currently not controllably harnessed for power; Q7 — K/Ar is appropriate for ~200,000-year timescales (C-14 is only effective to ~50,000 years).