Due to the Cycle of Precession, in 12,000 Years, Which

question 42

Multiple Choice

Due to the cycle of precession, in 12,000 years, which star will replace Polaris as the guiding North Star?

• A) Betelgeuse
• B) Sirius
• C) Vega
• D) Rigel
• E) Spica

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Definitions:

Equilibrium Reaction

A chemical reaction in which the rates of the forward and reverse reactions are equal, resulting in no net change in the concentrations of the reactants and products.

K

K is the chemical symbol for potassium, an essential dietary mineral and electrolyte necessary for various bodily functions, including nerve transmission and muscle contraction.

Acetic Acid

A weak, organic acid with the formula CH3COOH, known for its pungent smell and sour taste, and used in the production of vinegar.

Equilibrium Reaction

A chemical reaction in which the rate of the forward reaction equals the rate of the reverse reaction, resulting in no net change in the concentrations of reactants and products.