31. Bad weather halted attempts to salvage the plane's cockpit voice recorder, still on the sea bottom . 32. She said commercial fishermen have claimed " bottom trawl nets don't touch the sea bottom ." 33. The most affected stocks are sea bottom -feeding fish. 34. From the newly reconfigured sea bottom might come new insights about crustal geology and deep-ocean biology. 35. The Kursk suffered explosions during exercises Aug . 12, 2000, and plunged to the sea bottom . 36. But the artificial reefs are taking up only a very minuscule amount of the sea bottom . 37. These artifacts and items were raised from the sea bottom and transported to the Spetses Museum. 38. To begin the excavation, Pendergast had to devise a way of working on the sea bottom . 39. The sawfish churn up the sea bottom with their exaggerated rostrum to uncover these hidden food sources. 40. The shore is a narrow band of gravel, while the sea bottom is mostly mud or sand.
