The C horizon is below the A and B horizons of most soils. It consists of materials that were little altered by the soil-forming processes, though the materials may be modified by weathering. Below the C horizon in some soils is an R horizon of consolidated bedrock, such as limestone, shale, or sandstone.
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I noticed many of you guys are asking about netbooks with internal DVD optical drives. However, this feature is missing on 99% of the available netbooks, ultrabooks and mini laptops these days.Because these computers are so compact thereâs simply not enough space to put a CD, DVD or Blu-ray unit inside.owever, this feature is missing on 99% of the available netbooks, ultrabooks and mini laptops these days. Because these computers are so compact thereâs simply not enough space to put a CD, DVD or Blu-ray unit inside.