1) Which Layer of Soil is This a) B Horizon/Subsoil - the layer below topsoil, also includes a mixture of soil but is composed of a much lower amount of organic matter and humus and more mineral particles. b) A Horizon/Topsoil – This layer is right below the humus layer and is composed of mineral particles, organic matter, water, and air. This is where plants and animals live and grow. c) C Horizon/Parent Material - The parent material layer contains partially weathered pieces of solid rock and no organic material. This layer continues to breaks down and forms new layers of soil. d) R Horizon - Bedrock is the layer of solid rock beneath the soil. 2) Which Layer of Soil is This a) B Horizon/Subsoil - the layer below topsoil, also includes a mixture of soil but is composed of a much lower amount of organic matter and humus and more mineral particles. b) R Horizon - Bedrock is the layer of solid rock beneath the soil. c) C Horizon/Parent Material - The parent material layer contains partially weathered pieces of solid rock and no organic material. This layer continues to breaks down and forms new layers of soil. 3) Which Layer of Soil is This a) C Horizon/Parent Material - The parent material layer contains partially weathered pieces of solid rock and no organic material. This layer continues to breaks down and forms new layers of soil. b) B Horizon/Subsoil - the layer below topsoil, also includes a mixture of soil but is composed of a much lower amount of organic matter and humus and more mineral particles. c) A Horizon/Topsoil – This layer is right below the humus layer and is composed of mineral particles, organic matter, water, and air. This is where plants and animals live and grow. 4) Which Layer of Soil is This a) A Horizon/Topsoil – This layer is right below the humus layer and is composed of mineral particles, organic matter, water, and air. This is where plants and animals live and grow. b) C Horizon/Parent Material - The parent material layer contains partially weathered pieces of solid rock and no organic material. This layer continues to breaks down and forms new layers of soil. c) R Horizon - Bedrock is the layer of solid rock beneath the soil. d) B Horizon/Subsoil - the layer below topsoil, also includes a mixture of soil but is composed of a much lower amount of organic matter and humus and more mineral particles.

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