Which of the following is the smallest grain size category for clastic particles?
a. sand
b. gravel
c. silt
d. regolith
e. clay
e
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The focus of environmental issues shifted from easy-to-see smokestacks and solid waste to long-term, invisible pollution problems; which make strong environmental regulations difficult to implement.
Answer the following statement true (T) or false (F)
The process by which the population of urban settlements grows is known as migration
Indicate whether the statement is true or false.
Which of the following is considered a physical human health hazard?
A) malaria exposure B) earthquake C) cigarette smoking D) pollutant E) collisions
Which of the following cities is/are among the world's most livable?
A) Adelaide B) Auckland C) Port Moresby D) Adelaide and Auckland E) Adelaide, Auckland, and Port Moresby