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Cromagnon Man differs from Neanderthal Man in havingA. BrachiasmB. Smaller jawsC. Larger jawsD. Cannibalism. |
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Answer» Correct Answer - B Netural Radioactivity. Elements from Polonium (atomic number 84) to Uranium (atomic number 92) are naturally radioactive. Radiosotopes occur of some lighter elements as wel, e.g., `.^(14)C, .^(40)K`. |
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