A ocean bottom pressure sensor will record the wave crest passed on the surface.
pressure when

1.highest
2.lowest
3.average
4.0

1. highest

Explanation:

Ocean bottom pressure is the sum of ocean and the mass of atmosphere above sea level. The variation in the ocean bottom pressure is the result of the combined pressure of ocean atmosphere and the weight of sea water. The sensor will record the most pressure when waves crest are at highest point.

answerformal;