The answer is "Vertigo without hearing loss".
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Patients who endure different scenes of serious vertigo without hearing misfortune likely have what is known as intermittent vestibulopathy. These assaults of vertigo travel every which way, and last from minutes to hours. This internal ear issue is along these lines like Ménière's Disease, however with no hearing misfortune or noise in the ear.
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It could be either A or D, but I due to the lack of third party votes they're not really counted in elections, so answer D.
Answer:
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C.The social construction of race </h2>
Explanation:
Race is a social construct, it is not biological. There are no genes common to all whites and blacks so race cannot be genetically verified and it were true then the classification of people based on race would have been constant across boundaries, but it is not so because a person who is categorised as black in US might be considered white in Latin american countries.
The Greeks, Poles, Italian and Hungarian migrants were not considered to be whites in 1800s and 1900s, they tried to overcome it by showing through behaviour that they were worthy of being called white. The people form Netherlands,Ireland,Scandinavian countries and Germany were considered to be white.
The Americans were afraid that the foreigners would bring peculiar religious practices and substandard ways of living and religious practises to this country , that would bring down this civilisation.