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Nationalistic composers expressed their nationalism by basing songs on dances or people, folklore, peasant life, operas, symphonic poems.

The Big 12 Championship Game is a college football game held by the Big 12 Conference. The game will be played at AT&T Stadium in Arlington, Texas until at least 2021. The game was played each year since the conference's formation in 1996.

Protecting data by copying it from the original source to a different destination is called as Backup. When an original data is lossed, to restore the information by copying the data from the source to other destination is called as Backup or Data backup.

Monopotassium tartarate was used in baking powder.

The current infection control guidelines from the CDC (The Centers for Disease Control and Prevention) are called Standard or Universal Precautions.

The genetic information of the cell is DNA and is stored in the nucleus of the cell.

When you compress or stretch a spring, as soon as the stress is relieved, the spring attains its normal shape instantly. Its Elastic potential energy helps it do so. Generally, these elastic substances follow the Hooke’s law.

According to this Law, the force needed to change the shape of spring is proportional to the displacement of the spring. The displacement referred here is how far the spring is compressed or stretched from its normal shape. Mathematically, Hook’s Law can be summarised as F= – k x. Here ‘k’ is the spring constant and ‘x’ is the displacement.