EARTH SCIENCE

• Soil


  Mixture of weathered rock fragments, mineral grains, organic debris, and moisture
• Soil


  • Natural medium in which plants grow, due to the rock, and mineral matter, organic matter, and dissolved water and air present in it
• There are ten of thousands of different types of soil in the world
• Soil characteristics used by soil scientists to classify soil

  • Texture
  • Color
  • Structure
• Mining and the Environment


  How do the following activities affect the Earth's subsystems?
• Agricultural Practices


  How do the following activities affect the Earth's subsystems?
• Biosphere (Positive Effects of Agricultural Practices)


  • Increased Food Production/Supply
  • Biodiversity Conservation
  • Providing Habitat for Wildlife
  • Carbon Sequestration
• Biosphere (Negative Effects of Agricultural Practices)

  • Deforestation
  • Use of Pesticides