lecture 14 - No office hours 3/26 Exam #3 (final) is on...

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No office hours 3/26 Exam #3 (final) is on Friday 5/8 and it might be a weighted Reading list for exam 3… Lecture: soil Grades coming back for Exam 2… Water resources questions will be “heavily” on the test Soils: Pedology: science of soil. It refers to the tiny amounts of matter in the earth that can become soil. Basic component of ecosystems… Paper article clipping shown: depicts a death caused by “sinkhole” (it was actually a structural issue in filament, so it wasn’t a sinkhole). Sad note to begin with… moving on. SOIL a) a mixture of mineral and organic matter that can sustain plant life; b) a zone of complex interaction between the atmosphere and lithosphere. Soil develops from regolith (unconsolidated material), which is weathered rock. Soils, over time develop layers or horizons. A vertical slice through the earth reveals a soil profile. Generally, each climatic type has a different soil profile. (if you are in a desert then the soil will be of a different time than an area by lllike the poles.). SOIL LAYER
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lecture 14 - No office hours 3/26 Exam #3 (final) is on...

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