Answer: Layer of conglomerate
Explanation:
Conglomerate is referred to as or known as the coarse-grained sedimentary rock which is mostly composed from the substantial fraction or parts of sub-angular to rounded clasts of gravel size, i.e. pebbles, granules, boulders, and cobbles, that are larger than 0.079 inches in the diameter. Conglomerates tends to form by lithification and consolidation and of the gravel.
W.E.B. Du Bois was born in Massachusetts in 1868. ... Du Bois briefly taught at a college in Ohio before he became the director of a major study on the social conditions of blacks in Philadelphia. He concluded from his research that white discrimination was the main reason that kept African Americans from good-paying jobs.
Answer:
Western colonialism, a political-economic phenomenon whereby various European nations explored, conquered, settled, and exploited large areas of the world. The age of modern colonialism began about 1500, following the European discoveries of a sea route around Africa's southern coast (1488) and of America (1492).
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Explanation:
Bloodletting, a treatment devised centuries ago to restore the balance of humors, was accomplished with the use of leeches.
Bloodletting was divided into a two methods. It was done by either venesection and arteriotomy.
A localized method was also done by scarification done with cupping and leeches.
Venesection was the most commonly used procedure and generally involved the vein at the elbow, but also many different veins could be used for this treatment.
The major instruments which were used for this technique were called lancets and leeches.
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