Questions

In music, a fugue is a contrapuntal compositional technique in two or more voices, built on a subject that is introduced at the beginning in imitation and which recurs frequently in the course of the composition. 

Hence, the main theme of a fugue is called the subject.

Kargam is the folk dance of Tamil Nadu state.

In 1933, Congress repealed prohibition with the 21st amendment. At it’s heart, the scopes trial was a clash between religion and science. Nativists were opposed to immigration because they feared that immigration would be a damage to America’s traditions and that it would result in a loss of jobs.

The Prohibition Era in United States history lasted from 1919 to 1933. It was defined by a complete prohibition of the manufacturing, sale, and transportation of alcoholic beverages in the United States.

Diego Garcia is a chain of Islands in the Indian ocean with large military base under British Indian Ocean Territory.

The U.S. military facility on the island of Diego Garcia in the Indian Ocean represents a horrific example of the human costs of war and imperialism.

Molecular compounds are those with covalent bonds between the elements and those elements are typically non metals.

Here in the given options, Ar is an element. NaI has an ionic bond. Hence, N2O4 has a covalent bond between the two non metals and is a molecular compound.