What are the processes that transform sediment into sedimentary rock?
What will be an ideal response?
To get sediment, rock needs to weather (break down). Once weathered, erosion carries away the raw material of sediment. The particles of sediment are then deposited, one layer upon another. Time and accumulated periods of further deposition cause the sediments to undergo compaction and (usually) cementation transforming the sediment into sedimentary rock.
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Which of the following describes how a metal atom behaves in a bulk metallic object?
A. The metal atoms have limited interaction with neighboring atoms. B. The metal atom shares its electrons with only one other atom. C. The metal atom shares its electrons in a very directional manner. D. The metal ion shares its outermost electrons freely with its neighbors. E. none of the above
Population density in Latin America
A) is densely concentrated at the deltas of major rivers such as the Amazon and Orinoco
B) is primarily located in the far southern regions of Argentina and Chile
C) is primarily concentrated along the Atlantic coastline and volcanic regions of the Andes,
Mexico and Central America
D) is heavily concentrated in the interior of the South American continent
E) is most densely concentrated along the Amazon River
New oceanic crust is formed at
a. subduction zones. d. glacial striations b. transform faults. e. mid-ocean ridges. c. meandering rivers
What was the chief reason for people to leave farms and move to urban areas during the 1800s?
A. low market prices for farm products B. several years of drought C. factories required a supply of labor D. None of these are correct