During the early period of Mendel’s study of heredity, he did not know that there were two factors for each basic trait and how the traits were inherited

did anyone actually do this? like if anyone has submitted this i rly need .

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explanation:

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.