Answer:
Marcus position: -18 meters
Step-by-step explanation:
We establish a reference system where the zero height is on the sea surface. Then all height below the sea surface is negative.
~--~---~---~---~sea--~---~---~---~---~- 0 meters ---~---~----~---~---~---~---~--
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⊥ Marcus: - 18 meters
So the position of marcus is: -18 meters above sea level.
To return to the surface you must move 18 meters up.
Answer:
None of these answers would work. You may have typed some wrong perhaps?
What does this mean? it’s all scrambled
