Excessive seepage of groundwater can be a problem for:
a. masonry dams
b. tunnels
c. construction excavations
d. all of the above
d
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A population distribution map of insular Southeast Asia will indicate
A. that Indonesia's relocation policies have made Borneo a crowded place. B. that Java is one of the most densely populated pieces of real estate in the world. C. a decrease in population in Irian Jaya due to deforestation. D. a low density in Java, probably due to poor volcanic soils.
Floods are becoming more common primarily because
A) precipitation has increased worldwide. B) populations are more concentrated in vulnerable watersheds. C) land use has changed, altering runoff, erosion and infiltration patterns. D) the "sponge effect" of forests releases large and unpredictable amounts of water.
What is the difference between an atom and an ion?
What will be an ideal response?
Which of the following U.S states will have a majority-minority population of over 50% minorities by 2040?
A) New York B) Florida C) California D) Illinois E) all of the above