Soil, agriculture, and aquaculture review

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Across
  1. 1. This is decaying organic matter in soil-thank the decomposers!
  2. 3. This soil separate is the smallest, and can also hold the most water and nutrients.
  3. 5. This word, which describes the variety of living organisms, was much higher in past farming practices.
  4. 7. Look at the soil pyramid from the "identifying soil types" lesson. What soil is made up of 30% clay, 10% sand, and 60% silt (3 words)?
  5. 9. This practice is when farmers restore nutrients to the soil by planting different crops in each area in each growing season (2 words).
  6. 10. This occurs when soil is moved by either wind or water.
Down
  1. 2. In aquaculture, this type of organism only needs plankton and nutrients as inputs.
  2. 4. ____________ weathering can occur when a rock slowly dissolves from acid rain.
  3. 6. This soil separate is the largest, but holds little water and nutrients compared to the other two.
  4. 8. This word describes the planting one type of crop and the farming practices that may cause soil or other environmental harm.