DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 1 Soil was dug from the garden and dissolved in water (about 500 ml) taken in a beaker. The beaker was shaken vigorously for about a minute and then kept undisturbed. After sometime the soil settles down and different components present in the soil (i.e. sand, clay, humus, gravel and silt) formed different layers as shown in figure. Layer represented by (B) is of: