Deck : General Navigation - 403/2138
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| You are underway and pass by a lighthouse. Its light, which was white since you first sighted it, changes to red. This means __________. |
| A) it is the identifying light characteristic of the lighthouse |
| B) the light is characterized as alternately flashing |
| C) you have entered an area of shoal water or other hazard |
| D) the lighthouse has lost power and has switched to emergency lighting |
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