Why is it difficult for scientists to study
organisms that live at the bottom of the
ocean?
A. because the LOWER PRESSURE kills the organisms as
soon as they reach the surface
B. because the COLD TEMPERATURE kills the
organisms as soon as they reach the surface
C. because the DECREASED LIGHT kills the organisms
as soon as they reach the surface
D. because the HIGHER PRESSURE kills the organisms
as soon as they reach the surface