Scientists who work on the ocean floor are called marine biologist
Agricultural Engineers
It is teamwork or collaboration.
Primary source
the scientist called biologist make som conclusion after a hypothesis and theory then they work on it
Could it be Ocean-Atmosphere Coupling.
An oceanographer is a scientist who studies underwater life. Most of their work involves photography of diverse plants and animals in the ocean.
Through peer review
Refereeing
work is their job
An ocean trench forms when one tectonic plate is forced beneath another in a process called subduction. This creates a deep, elongated depression in the ocean floor where the subducted plate descends into the Earth's mantle. Ocean trenches are often associated with volcanic activity and earthquakes due to the tectonic forces at work.
This statement comes from an user of allvoices.com nick-named 'vksonakia' and self-called 'Unified Field Scientist'.
its because the scientist is a scientist so he need to work hard to invent something not only for the world but also for himself.