8.The author states that bottom trawling threatens the health of the ocean environment. Which of these sentences best helps develop and explain that claim? a. "Modern bottom trawling uses powerful ships that tow gigantic cone-shaped nets along the seafloor for the purpose of catching flounder, sole, shrimp, cod, and other marine life that lives at the bottom of the sea."

b. "Actually, bottom trawling has been ruining the ocean floor since the 1800s, when it was first introduced."

c. "Parts of the shallower continental shelves or inlets have been scraped clean, leaving behind barren wastelands of ooze."

d. "Recently some countries have banned trawling from their fishing grounds or regulated its practice."