What color is the standard life ring used for rescue on ships?

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Multiple Choice

What color is the standard life ring used for rescue on ships?

Explanation:
The standard life ring is bright orange. This color is chosen for maximum visibility on open water—the high-contrast hue, often called international orange, helps the lifebuoy stand out against blue-green seas and whitecaps so it’s easy to spot in daylight. At night, lifebuoys usually have reflective tape to catch searchlights. Red is less effective for this purpose because it doesn’t stand out as well against the sea and glare, and red light wavelengths are absorbed more quickly in water.

The standard life ring is bright orange. This color is chosen for maximum visibility on open water—the high-contrast hue, often called international orange, helps the lifebuoy stand out against blue-green seas and whitecaps so it’s easy to spot in daylight. At night, lifebuoys usually have reflective tape to catch searchlights. Red is less effective for this purpose because it doesn’t stand out as well against the sea and glare, and red light wavelengths are absorbed more quickly in water.

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