Answer:
In geology, the term sial refers to the composition of the upper layer of Earth's crust, namely rocks rich in aluminium silicate minerals. It is sometimes equated with the continental crust because it is absent in the wide oceanic basins, but 'sial' is a geochemical term rather than a plate tectonic term.
Explanation:
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Answer:
The correct answer is Option b (The theory...........occur today).
Explanation:
- The hypothesis that throughout the previous world more or less the same scientific processes, as well as methods operating throughout the existence that has ever been functioned, could be determined as Uniformitarianism.
- While it may be applicable in whatsoever field, it would be an essential pillar for the establishment of geological technology.
The other alternatives are not related to the given scenario. So the above is the right one.
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The appropriate answer is a. The Tetons. Continental to continental plate collision occurs when continental crust comes together and compression and folding and faulting over time leads to the formation of extensive fold mountain ranges. The Appalachians, The Alps and the Himalayas were all formed at continental collision plate margins. <span />
