Tanker spills like the Exxon Valdiz are examples of the great damage these kinds of spills can cause to the ocean ecosystem.
(Tanker spills like the Exxon Valdiz; are; examples of the great damage) (these kinds of spills; can cause; to the ocean ecosystem)
Tanker spills like the Exxon Valdiz these kinds of spills
are can cause
examples of the great damage
to the ocean ecosystem