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Ninth Grade (Grade 9) Soil Questions

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Grade 9 Soil
When a soil is impermeable, it                                         .
  1. allows water to flow freely through it.
  2. has no water in it at all.
  3. does not allow water to pass through it.
  4. has large pore spaces.
Grade 9 Soil
Hydric soils tend to be                                                                                  .
  1. waterlogged soils with no color.
  2. waterlogged soils with different color patterns.
  3. waterlogged soils with typical gray color and reddish stains along root channels.
  4. waterlogged and very loose.
Grade 9 Soil
The A-horizon is also called the                .
  1. subsoil
  2. topsoil
  3. undersoil
  4. driftsoil
Grade 9 Soil

This question is a part of a group with common instructions. View group »

This letter represents the layer of soil consisting of very decomposed organic matter mixed with minerals.
  1. A
  2. B
  3. C
  4. D
  5. E
Grade 9 Soil

This question is a part of a group with common instructions. View group »

Layer E is the                           and consists mainly of                          .
  1. A-horizon; rock fragments
  2. C-horizon; bedrock
  3. O-horizon; rock fragments
  4. R-horizon; bedrock
Grade 9 Soil

This question is a part of a group with common instructions. View group »

Which letter represents the soil layer that tends to be the richest in organic materials?
  1. A
  2. B
  3. C
  4. D
  5. E
Grade 9 Soil

This question is a part of a group with common instructions. View group »

Layer C is the                           and consists mainly of                          .
  1. A-horizon; rock fragments
  2. B-horizon; subsoil
  3. C-horizon; rock fragments
  4. R-horizon; subsoil
Grade 9 Soil

This question is a part of a group with common instructions. View group »

Layer D is the                           and consists mainly of                          .
  1. B-horizon; bedrock
  2. C-horizon; rock fragments
  3. O-horizon; bedrock
  4. R-horizon; rock fragments
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