Teaching map workvideo
Types of rocks
Rocks -Is an aggregate of one or more minerals, or a body of undifferentiated mineral matter. Common rocks includes granite, basalt, limestone and sandstone. The table below illustrate the types of rocks
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soil profiles
soil profile - it`s a vertical section of the soil that depicts all the its horizons. the soil profile extends from the soil surface to the parent rock material. the regolith includes all of the weathered material within the profile. the soil profile is an important tool in nutrient management, by examining a soil profile, we can gain valuable insight into soil fertility. as the soil weather and/ or organic matter decomposes, the profile of the soil changes. on the other hand, a highly fertile soil often has a deep surface layer that contains high amounts of organic matter.
cow breeds
Cow breeds is the science or business of breeding and raising cattle. DIFFERENT TYPES OF COW BREED Holstein Friesian Hereford cattle Simmental cattle Aberdeen Angus Limousin cattle Belgian Blue Beefalo Red Angus Braford Nguni cattle
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