Answer:
3. She is moving towards the north
Step-by-step explanation:
Brussels is in belgium, Lagos is in Nigeria. Belgium is to the north of Nigeria.
1. Her longitude does not significantly change is false because longitude is from left to right and her left to right position changes as she moves .
2. Her latitude changes significantly is also false. Latitude is from bottom to top or north to south and Nigeria is located almost on the same latitude as Belgium is.