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the process whereby carbon is turned into carbohydrates in plants, and becomes available as an essential foodstuff.
when an organic compound contains a double or triple bond and thus the maximum number of...
adding aqueous HCl to a saturated solution of sodium ions and chloride ions to cause the...
coal that is heated in the absence of air to about 1 000 °C to remove volatile substances.
the radius of an ion of an atom, from the nucleus to the outermost.