Between 1800 and 2015, the percentage of the U.S. population living in urban areas increased from 5% to 81%.
Answer the following statement true (T) or false (F)
True
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Swidden agriculture
A) has benefited significantly from logging operations. B) is most common on coastal plains. C) works best in regions of high population density. D) usually relies on monocrop production. E) depletes soil nutrients within a few years.
Which type of instrument measures rainfall by channeling the rain into small alternating collectors located just below a funnel?
A) weighing gauge B) standard rain gauge C) tipping-rain gauge D) hygrometer
Which continent had the greatest area covered by glaciers at the height of the Ice Age?
A) South America B) Asia C) North America D) Europe
Siliceous ooze is an example of which of the following sediment types?
A) Biogenous Sediment B) Cosmogenous Sediment C) Hydrogenous Sediment D) Lithogenous Sediment E) Terrigenous Sediment