According to the passage, what happens when the soil is compacted? A. Little water seeps through B. Better roads are made C. Water is conserved D. Deserts are expanded
Giải thích
Đáp án A
Thông tin trong bài “the compaction of the sandy arid soil resulting from the passage of just one motorcycle markedly reduced the infiltration ability of the soil and created a stream of rain runoff water that eroded the hillside surface” → rất ít nước sẽ được thấm vào đất khi đất bị lì chặt lại