One of the signals, other than a distress signal, that can be used by a rescue boat to attract attention is a/an __________.

Correct Answer: Option B — searchlight

Rescue boats and lifeboats utilize a high-intensity searchlight directed upward or swept across the horizon to attract attention during search and rescue operations. Unlike distress pyrotechnics reserved for victims, searchlights are standard operational equipment used by responders to illuminate targets and signal position.