Environmental Science B Cumulative Exam Test Review

25 July 2022
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question
sustainability can be achieved through careful resource management.
answer
true
question
fossil fuels are an important natural resources used by society. Which of the following best describes fossil fuels?
answer
they are organic fuels derived from ancient plants and animals.
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what characteristic is shared by both inceptisols and entisols, the soils of flood plains?
answer
both are young and only beginning to develop horizons and a soil profile
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which of the following best explains the importance of studying the ocean carbon cycle?
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the oceans have a significant impact on the levels of atmospheric gases
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which of the following is/are true concerning the 2004 tsunami in Indonesia?
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it was triggered by magnitude 9.1 earthquake
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what organism is the main producer in freshwater ecosystems?
answer
phytoplankton
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which of the following is not a way that oil production could potential he affect aquatic viability?
answer
interruption of water flow
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which of the following is not a strategy for reducing environmental risk?
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setting fines for pollution
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without wildfires, forest ecosystems would_.
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be at greater risk for disease
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the mass of methane is stored in hydrates is comparable to earth's coal reserves
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true
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permits in the cap and dividend policy are issued for_production.
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carbon dioxide
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human use of groundwater has____over time
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increased
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which of the following energy sources is expected to have the highest rate of consumption in 2030?
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coal
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how has technology benefited energy production?
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all of the above
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after the energy crisis of the 1970's and the OPEC oil embargo, the US _______.
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increased its dependency on foreign oil
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decomposition in pools, ponds, and lakes take place mostly in the____zone.
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benthic
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which of the following factors will not affect a balanced physiology?
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precipitation type
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land clearing and irrigation in Australia have only resulted in an increase in the amount of land available for use as farmland.
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false
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coral reefs are a vast community of individual organisms
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true
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a prescribed burn is ____.
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a controlled fire used to manage forest ecosystems
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groundwater is an underutilized source of freshwater
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false
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agricultural practices can lead to water pollution
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true
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it is best to say that restoring and protecting estuaries and wetlands ____.
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improves the health of coastal ecosystems
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continued deforestation will most likely lead to____.
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an increase in the number of endangered species
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soil generation and soil conservation are equally effective agricultural strategies
answer
false