Answer:
B. Silty Loam soil
Step-by-step explanation:
The topmost layer of the Earth which contains rocks in the disintegrated forma and humus is known as soil.
There are various types pf soil based on the amount of clay, silt and sand. It is given that, a soil sample contains 20% sand, 10% clay and 70% silt. From the given picture, it is clear that the soil sample is of Silty Loam Soil. The dominant particle size is of silt.