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Earthworms are an important part of the soil environment, and the growth of plants. Oil is deadly to earthworms.
soil firms up around them
Porosity--the ability of water to move through the soil Permeability--the abiity of roots to reach into the soil Where water goes, roots can follow. If water cannot penetrate the soil, roots won't either.
what about soil are you asking about? In terms of texture earthworms and organic matter can affect it. In terms of acidity soil particle size and acid rain can affect it.
What is porosity ? And how can it affect hair color
Bulk density generally increases with soil depth due to increasing pressure from the soil column above. Porosity is inversely related to bulk density, thus porosity should decrease as soil depth increases.
Porosity is measured by taking a sample of the soil. The sample is then tested to measure the speed of water passing through the soil.
Earthworms make soil healthy by going underground
Because earthworms eat just about every other organism in the soil.
idks
they fertilize the soil