On a Mercator chart, where are latitude values read?

A. From the top and bottom scales of the chart
B. From the inner ring of the compass rose
✓ From the left and right scales of the chartCorrect
D. From the outer ring of the compass rose

Why C is correct

Bowditch Ch. 4 §405 states that on a Mercator chart, latitude is read from the side (left and right) scales, while longitude is read from the top and bottom scales.

Cited:Bowditch Ch. 4 §405

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On a Mercator chart, where are latitude values read? — USCG Exam Practice · CaptainsGround