Because it lies in international waters, no single nation is responsible for its creation, and filtering out all the plastic will also remove plankton.
Therefore, all of the above
D is the best answer
(I am just using my common sense)
Hope I helped :)
Answer:
The loss of phytoplankton is a huge problem for marine food chains, says Worm, because every creature in the ocean either eats phytoplankton or eats other organisms that depend on it.
Hope this helps!