Particles with diameters less than one micrometer can remain suspended in the atmosphere for several weeks
Indicate whether the statement is true or false
True
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What was the cause of the slowdown in the economic growth rates of industrialized countries in the mid-to-late 1970s?
A) government anti-inflation policies B) international free trade agreements C) the Cold War D) increase in oil prices E) all of the above
A dendritic drainage pattern is most likely to develop on rocks that:
a. have multiple parallel folds. b. have a dome structure. c. form a volcanic mountain. d. are criss-crossed by fractures and faults. e. are of uniform resistance.
Which of the following is correct about floodplains?
A) Despite the name, they are rarely subjected to flooding. B) They are an erosional feature located within a depositional feature. C) They are generally filled with layers of alluvium. D) Floodplains are not associated with deposition. E) They are well drained throughout.
How would we use isotopic ages to infer the ages of the upper and lower unit in this diagram?
A. An age on the dike would not help us because it is an igneous rock. B. The upper unit would be older than an age determined on pebbles of the dike in that unit. C. The dike is younger than the lower unit but older than the upper unit. D. The lower unit would be younger than an age on the crosscutting dike.