Nurturing Life Sciences
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The number of neutrons is equal to the difference between the mass number of the atom (M) and the atomic number (Z).
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#XL - R Botany
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Classification of peteridophytes
II.LYCOPODOΡΗΥΤΑ (CLUB MOSSES)
Eg: Lycopodium, Selaginella
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III.EQUISETOPHYTA (HORSE TAILS)
Eg: Equisetum
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