Define the term soil profile. What are the influences on the development of a soil profile, and how do profiles differ?
What will be an ideal response?
The layers of soil found in a particular location are known as that area's soil profile. The process of soil formation can lead to characteristic aspects of soil structure. Once mechanical, chemical, and biological weathering have produced a layer of smaller particles between the parent material and atmosphere, wind and water begin to move and sort them. Organisms migrate in and move soils as well. Eventually, distinct zones and patterns appear. Soil profiles differ from location to location due to variations in parent material, climate, and other factors.
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A car accelerates from rest at 2 m/s2. What is its speed 3 s after the car starts moving?
A) 2 m/s B) 3 m/s C) 4 m/s D) 6 m/s E) none of the above
As carbon dioxide enters the ocean, it ____
A) is used by animals for respiration B) bonds to water molecules to increase the salinity of the ocean C) forms a carbonic acid D) becomes a product of photosynthesis
As a result of the landslide at the Vaiont Dam, northern Italy, in 1963, approximately 3000 people died ________.
A. when slope failure allowed the dam structure to be pushed downstream by the water pressure of the reservoir B. when the landslide impacted and destroyed the dam structure C. as their houses that had been built on the landslide were destroyed D. as a huge wave of water was displaced from the reservoir by the landslide E. as their houses were buried by the landslide