Name the main sources of petroleum hydrocarbons entering the waters of the World Ocean and their share.

There are several sources of oil hydrocarbons that pollute the waters of the World Ocean:

1. Development of oil and gas fields in the seas and oceans.

2. Their transportation by sea.

3. Accidents and spills of these products into ocean waters.

The share of hydrocarbons in the World Ocean is about 1.3 million tons per year.



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