Question

which is true of the international convention for the prevention of pollution from ships at sea (marpol)? its restrictions apply only to ocean - going vessels it tracks hazardous waste from cradle to grave. it addresses the discharge of oil and oily substances into the sea. each u.s. state has its own specific regulations associated with marpol.

Explanation:

The International Convention for the Prevention of Pollution from Ships (MARPOL) is mainly focused on preventing pollution of the marine environment by ships, especially addressing the discharge of oil and oily substances into the sea. It doesn't just apply to ocean - going vessels, doesn't track hazardous waste from cradle - to - grave, and is an international convention not something with U.S. state - specific regulations.

Answer:

It addresses the discharge of oil and oily substances into the sea.