Soil and Fossil

• Soil Types
  • Soil is a mixture of rock particles and humus.
  • Soil → Rock particle + Humus
  • Living organisms such as microbes, earthworm, and plant roots are found in soil.
• Classification of soil
  • Sandy soil
  • Sand particles are large that cannot fit together.
  • Larger spaces are present between particles.
  • It is light, well aerated, and dry.

• • Clayey soil
  • Clay particles are smaller and tightly packed together.
  • It has little space for air and can hold water between particles.

• • Loamy soil
  • It is the best top soil for the growth of plants.
  • It is the m…