Which of the following sewage purification systems uses solar greenhouses and artificial marshes?
A. living machines
B. compost toilets
C. primary sewage treatment
D. secondary sewage treatment
E. septic tanks
Answer: A
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In practice, a good insulator
A. speeds negative heat flow. B. stops heat flow. C. slows heat flow. D. all of the above
Why are Aw (tropical savanna) climates found in bands north and south of the Af (tropical wet) climates?
The following questions are based on the diagram of the Köppen climate distribution on a hypothetical continent (Figure 23-2). It may also be helpful to compare the hypothetical continent with the map of actual climate distribution color Map T-29 in the back of the Lab Manual and Figure 23-3 showing the influence of the seasonal shifts of the ITCZ and subtropical highs along the west coasts of continents. In answering the questions, consider both the characteristics of a climate and the dominant controls producing that climate.
How does the analysis of seismic waves reveal information about the nature of Earth's interior?
The Schengen Agreement, signed in 1985, meant that
A) crossing a European border required passport and auto insurance documentation. B) crossing a European border was not possible without government permission. C) crossing a European border required neither paperwork nor government approval. D) crossing a European border became more difficult for the ethnic minority Roma. E) crossing a European border was only available to people from countries that were EU members.