Question

multiple - choice question
plastic in the ocean is which type of pollution?
how do you know?
point - source because the pollution originates
from a single source.
point - source because the pollution originates
from multiple sources that are difficult to
identify.
nonpoint - source because the pollution
originates from multiple sources that are
difficult to identify.
nonpoint - source because the pollution
originates from a single source.

Explanation:

Point - source pollution comes from a single, identifiable source. Non - point - source pollution comes from multiple, often hard - to - identify sources. Plastic in the ocean can come from various sources like littering from different coastal areas, runoff from cities with plastic waste in sewers, etc., which are multiple and not easily traced to one single source.

Answer:

Nonpoint - source because the pollution originates from multiple sources that are difficult to identify.