2. Terpenes: Have carbon skeletons made up of isopene units
joined in a regular, head-to-tail way. Found in the essential
oils of many plants. (Morrison et al. 1959)
3. Acetone: A hydrocarbon ketone. C3H8O.
IUPAC name: Propanone. Colourless liquid, has a mint smell that
is detectable at 33 to 700 PPM.
4. Lignite: A brownish-black coal that is intermediate
in coalification between peat and sub-bituminous coal; consolidated
coal with a calorific value of less then 8300 BTU/lb, on moist,
mineral-matter-free basis. (Bates et al. 1983)
5. Coalithofication: The process by which plant tissue
is changed into coal. The process involves different combinations
of temperature, pressure and time.
6. Saline: Another name for Sodium Chloride or halite,
(simple table salt) that is in solution with water.
7. Endospore: Produced by Gram positive bacteria only.
They are used to help organisms to survive extreme conditions.
They can live for a very long time in this dormant state. The
spores differ from vegetative cells in many ways: Their outer
layer is much thicker, spores are much more dehydrated (10-30%
water compared to a vegetative cell), they essentially exist in
a gell state.
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