As a physical geographer, you look at a small-scale map of a coastline. The coastline has several rias. What does this tell you and why?
What will be an ideal response?
Answer: Rias are drowned rivers. The presence of them indicates a coastline that has undergone submergence. This is prominent on the east coast of the United States and was caused by the melting of the continental ice sheets.
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A country with a large proportion of its population in a preproductive age group (age 0-14) is most likely to experience a future population growth that
A. declines rapidly. B. declines slowly. C. remains stable (unchanging). D. increases slowly. E. increases rapidly.
One of Brown's Plan B goals toward shifting to a more environmentally and economically sustainable future is to stabilize ____ growth.
A. poverty B. economic C. hazardous waste D. population E. pollution
Which of the following is true of Mollisols?
A) They are commonly found in tropical conditions. B) Leaching is excessive in most of these soil types. C) They are found in places with seasonal moisture deficits. D) Gleization is an important process contributing to their formation.
All bacteria
A) are heterotrophs. B) are harmful to humans. C) reproduce sexually. D) are prokaryotes.