The correct answer should be flowing water
Grass prevents erosion and dams prevent water from flowing.
The answer is, 'his silence when Antinous confronts Odysseus'.
Turtles spend most of their lives in water. They are adapted for aquatic life, with webbed feet or flippers and a streamlined body. Sea turtles rarely leave the ocean, except to lay eggs in the sand. Freshwater turtles live in ponds and lakes, and they climb out of the water onto logs or rocks to bask in the warm sun.