The principle that states the undisturbed rock sequence has the oldest rocks on the bottom is known as
a. relative age dating.
b. original juxtaposition.
c. superposition.
d. original parallelism.

The correct answer is c. superposition. This principle states that each layer of sedientary rock in a region that is not disturbed by plate tectonics is younger than to sequence beneath it and older than the sequence above it. This principle was coined by Steno to interpret sedimentary rock strata.

France played a key role in the american revolutionary war (american war of independence; 1775–1783). motivated by the ideals of the new nation which were inspired by the french enlightenment, as well as its long-term rivalry with britain and so as to avenge their territorial losses during the french and indian war, france secretly began sending supplies to the americans in 1775.

Early 18th century british industries were generally small scale and relatively unsophisticated. most textile production, for example, was centred on small workshops or in the homes of spinners, weavers and dyers: a literal ‘cottage industry’ that involved thousands of individual manufacturers. such small-scale production was also a feature of most other industries, with different regions specialising in different products: metal production in the midlands, for example, and coal mining in the north-east.two illustrations of 18t