Q:

What is organic matter?

A:

Quick Answer

Organic matter is composed of the remains of animals and plants and the waste products the organisms leave in the environment. Unlike organic material, organic matter has decomposed to the point that it is resistant to decomposition. This matter is decomposed into a humus that has been converted by microorganisms.

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Full Answer

Organic material is unstable in the soil as a result of its decomposition. Organic matter is in a state that is resistant to decomposition, which is useful to soil. This type of matter is important for water retention in soil, facilitating drainage and supplying nutrients. Organic matter is food for plants that offers a more robust mixture than organic material.

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Related Questions

  • Q:

    What are organic sedimentary rocks?

    A:

    Organic sedimentary rocks are sedimentary rocks formed from the remains of organisms. The three types of organic sedimentary rock are limestone, chert and coal. Both limestone and chert are formed largely from the hard structures of organisms, while coal is formed from dead plants after a long period of exposure to the correct environmental conditions.

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  • Q:

    What are the main sources of carbon dioxide in the atmosphere?

    A:

    The main sources of carbon dioxide in the atmosphere are decaying plants, waste products as a result of the respiration of animals and volcanic eruptions. Human activity also releases carbon dioxide into the air. The main source of this carbon dioxide is the burning of fossil fuels.

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  • Q:

    Where do fossils come from?

    A:

    According to the Oxford University Museum of Natural History, fossils form when the remains of plants or animals become encased in sediment. Over time, the organic material dissolves away, replaced by a mineral replica of the original remains.

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  • Q:

    Where can you get organic mineral oil?

    A:

    Organic mineral oil is not available because mineral oil comes from existing minerals, rather than plants or animals. For an item to be organic, the producer must not use chemical or synthetic pesticides or fertilizers when growing the product.

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