Final answer:
When merging into another lane on a highway, adjusting speed, leaving space, and using signals are crucial for safety.
Explanation:
All of the above options are essential when attempting to merge into another lane on a highway:
- Adjust your speed to match the flow of traffic to blend in safely.
- Leaving plenty of space ensures a buffer zone for safe merging.
- Using signals communicates your intention to other drivers, promoting safe maneuvering.
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