'Solid rock layer' presentation slideshows

Features of Plate Tectonics

1.06k views • 86 slides

OBJECTIVE: Review study guide.

OBJECTIVE: Review study guide. INTRO & OUTRO: None DO NOW: Take out Study Guide (finish quickly if need be) AGENDA: What you will need on EXAM Day Pencil Science Notebook Note card Anything to keep yourself quiet after the Exam. 1. What is a mineral ?. Minerals are in rocks

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573 views • 34 slides

Food & Agriculture

Chapter 15, Section 2: Crops & Soil Standards: SEV4a, b, c. Food & Agriculture. What is arable land?. Land that can be used to grow crops Only 10% of land on earth is arable. Urban areas occupy 3% and are currently invading arable land. What is the history of agriculture?.

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Physical Support

Physical Support. Aeration (O2). Water. Nutrients. O horizon- upper horizon that is mostly made up of decaying organic matter, also called Humus.

189 views • 10 slides

Soil: More than just a bunch of dirt

Soil: More than just a bunch of dirt. What is soil made of?. The basic components of soil are: decayed remains of once living organisms (organic material) rock water air. Layers of soil. Humus Topsoil Subsoil Bedrock. Humus. Living material Plants Decaying leaves Needles Moss

173 views • 7 slides