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<em>Organ donation is nothing but the process by which the person donates his/her organ to other person to save the life of a him/her.</em>
What can a paleontologist learn from fossils
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C. The number of covalent bonds is equal to the number of unpaired valence electrons. For example, nitrogen and phosphorous both have 3 unpaired valence electrons thus forming 3 covalent bonds.
