Answer: atomic number Z, gives the proton number of an element and it is unique for all elements ( i.e no two elements have the same atomic number or proton number) if the atom of the element is electrically neutral, the atomic number can also be the electron number
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i believe its They may feel dizzy because the heart pumps more blood per beat on Earth than in space.
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Because the iron in the sand gives the sand a different weight than needed. a lot of people either just need the iron or the sand when mixed it gives the wrong outcome of what was needed.
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A
Explanation:c C B D are just wrong hope this helps god bless