Best ballast contains stones varying in size from July 25, 2022 – by admin Question: Best ballast contains stones varying in size from [A]. 1.5 cm to 3 cm [B]. 2.0 cm to 4 cm [C]. 2.0 cm to 5 cm [D]. 2.5 cm to 6 cm Answer: Option C Explanation: No answer description available for this question.