B. Match the definition in Column A with its context/term in Column B. Write the answer on the space provided before the number. Column B a. sub- soil n Column A 1. A system into which energy and matter from the sun, the atmosphere, and living organisms penetrate and interact. 2. It is the uppermost layer of the soil. 3. Layer of the soil that is located just below the topsoil. 4. Layer of the soil that is composed Of rocks that are slowly breaking apart. 5. It is the lowest layer of the soil. b. bedrock c. soil d. parent rock e. topsoil​