| 1. | Coal contains mineral matter which is converted to ash during combustion.
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| 2. | As the dissolved ions crystallised, the mineral matter precipitated out.
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| 3. | A ) Surface soil : Organics mixed with mineral matter.
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| 4. | Fossils are often formed by pseudomorphic replacement of the remains by mineral matter.
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| 5. | It is composed of mull humus ( well decomposed alkaline organic matter ) and mineral matter.
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| 6. | This mineral matter is unevenly distributed and is more concentrated in the germ and the seed coat.
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| 7. | "' Rhizoliths "'are root systems that have been encased in mineral matter.
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| 8. | Whereas rhizocretions which include rhizoliths, are created by the pedodiagenetic accumulation of mineral matter around roots.
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| 9. | The acid dissolves the mineral matter from the coal ball, leaving a projecting layer of plant cells.
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| 10. | Suspended mineral matter in the mine water pumped into these lakes has changed the composition of the lakes'sediments.
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