What benefit do offshore oil rigs have on the environment?

The correct answer is that the oil withdrawn from the oil rigs can be used to power large structures like ships.

Explanation:

The oil rigs are the efficient, positive, and direct modes of obtaining crude oil. It is a big composition or structure in or on the water body with the assistance of drilling wells, to process and to extract natural gas and oil, and to store the components on a temporary basis, unless and until they can be brought to shore for clearing and retailing. The crude oil obtaining from the rigs are used to fuel large structures like ships.