Answer:
Surface Horizon (A)
Nutrient depletion of soils is a widespread soil degradation phenomenon that occurs as a consequence of soil erosion<u> (it is the topsoil in which generally most soil nutrients are present that erodes fastest) </u>but also because of poor management practices, such as slash and burn and other subsistence agricultural.
When water is a product, the condensation reaction is often called a dehydration reaction. Condensation reactions are used to make crucial large molecules called macromolecules in the body, such as carbohydrates, lipids, and proteins. Carbohydrates are simple sugars such as glucose, which is used for energy in the body.
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an irregularly occurring and complex series of climatic changes affecting the equatorial Pacific region and beyond every few years, characterized by the appearance of unusually warm, nutrient-poor water off northern Peru and Ecuador, typically in late December.
Answer:
B. involuntary activities
