A. Insecticides B. Nutrients C. Pesticides
A. Subsoil B. Bedrock C. Topsoil
A. Loamy B. Clayey C. GravelRead More...
A. Small rocks B. Soil C. Any of these
A. Very fine particles stick together
B. Large particles with lot of space between them
C. Equal amount of sand and clay
A. Topsoil B. Subsoil C. Bedrock
A. Humus B. Sand C. StonesRead More...
A. Fertilizers B. Pesticides C. Humus
A. Yellow B. White C. Black or brown
A. Deserts and beachesRead More...