Well, there can't be because the atomic number the the number of protons in the nucleus of an atom, meaning that every element has their special amount of protons silicon can only be that number and other elements can't be that number.
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Interferon beta-1a intramuscular injection is used to treat adults with various forms of multiple sclerosis (MS; a disease in which the nerves do not function properly and people may experience weakness, numbness, loss of muscle coordination, and problems with vision, speech, and bladder control
I think you forgot to give the options along with the question. I am answering the question based on my knowledge and research. Tropical plant fossils found on islands in the Arctic ocean <span>helped prove the theory of Pangaea. I hope that this is the answer that has actually come to your desired help.</span>