You are presented with the quiz "Water easily flows through what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if soil is permeable then water easily flows through that soil" and "sandy soils are permeable". So, what's the best answer to the question?
OPTIONS: 1). streams.; 2). streams; 3). coral reefs; 4). sandy soils; 5). aqueous solution; 6). swamp vegetation; 7). calcite; 8). Sediment;
4).