A/ SENSIBLE B/ TRAFFIC C/ CITY D/ INTENDII. READ THE PASSAGE AND CH...

4. A/ sensible B/ traffic C/ city D/ intendII. Read the passage and choose the best answer:Man cannot exist without air, water and (5)… Many people think that soil is also necessary to man’s (6) …Without soil there could be no vegetation, no animals and consequently no people. However, the soil is being (7)… day after day because people use land without paying attention to the (8)… of land and the (9)… of soil erosion. In many (10) … areas, soil erosion is a (11)… problem which (12)…. the development of agriculture.