Question

state why it would be difficult to gather plastic that is out at sea​

Answer 1

Explanation:

The reason why it is so difficult to clean the existing plastic from the ocean is because of the sheer amount of trash that currently exists, Hocevar said. ... Some successful cleanup efforts have focused on river mouths to try and capture as much plastic as possible before it flows out into the open ocean, Hocevar said.

Answer 2

Explanation:

The reason why it is so difficult to clean the existing plastic from the ocean is because of the sheer amount of trash that currently exists, Hocevar said. There is no approach yet designed that can filter plastic out of that volume of water, especially microplastics, Hocevar said