Resource and development

29. DEGRADATION

33. • The upper layer of earth in which plants
grow, a black or dark brown material
typically consisting of a mixture of organic
remains, clay, and rock particles.
• Soil is the topmost layer of the earth namely
crust .
• Soil is the mixture of minerals , organic
matter, gases, liquids, and the countless
organisms that together support life on Earth
WHAT IS SOIL
???