10. Which of the following is NOT true about soil? A. Farmers use soil to grow plants. B. Soil is an important natural resource. C. Soil contains pore spaces that can be filled with air or water. D. Soil is formed in a single layer.
13. You might not see them, but soil is made up of water, air and living things as well. A True B. False C. both A and B D. none of the above
15. Cotton, which is grown to make clothing, depends mostly on to grow A. Topsoil B. subsoil C. bedrock D. parent rock adlants decay D