Envi Science Chapter 7

• Soil is made of organic and inorganic materials.
• Soil is a natural resource that is very important for planets life.
• Entisol is found commonly on unconsolidated sediments.
• Vertisol tends to swell when dried forming deep cracks.
• Inceptisol is the alteration of parent material it forms quickly.
• Aridisol is a dry soil farming under desert conditions.
• Mollisol is a soft soil under typical grass land cover.
• Spodisol is a soil typically of deciduous and coniferous forests in cooler climates.
• Alfisol is formed under boreal or broadleaf forests.
• Ultisol is commonly known as red clay.
• Oxisol contains heavy oxide.
• Histosol primarily contains of organic materials.
• Andisolsis formed from volcanic ash.
• Gelisols contain permafrost within two meters of the soil surface of very cold climates.