How can depth contours be used in hazard avoidance?

How can depth contours be used in hazard avoidance?

• A. Depth contours indicate the color coding of water.
• B. Depth contours indicate salinity variations.
• C. Depth contours indicate the rate of tidal current.
• D. Depth contours help verify position relative to depth contours and hazards by comparing depth readings with contour lines.

Answer: (D)