Choose the correct one.
Correct answer: C. Children usually ask this question why eggs are sold by the dozen.
- A. Children usually ask this question why are eggs sold by the dozen.
- B. Children usually ask this question that why eggs are sold by the dozens.
- C. Children usually ask this question why eggs are sold by the dozen.
- D. Children usually ask this question why eggs are sold by dozen.
Explanation
The correct answer is C. Children usually ask this question why eggs are sold by the dozen. The phrase "by the dozen" is an idiomatic expression that means "in groups of 12". The correct sentence should read: "Children usually ask this question: why eggs are sold by the dozen."
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About Fundamental Concepts of Chemistry
Mole calculations connect mass, number of particles and Avogadro's number, while balanced equations provide the mole ratios used in stoichiometry. Questions cover limiting and excess reactants, theoretical yield and percentage yield, including identifying which reactant is consumed first and comparing the actual product with the maximum possible product.
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