This is a mass to mass stoichiometry conversion please help I need all work shown.

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

Using the periodic table, complete the table to describe each atom. type in your answers

How does a noncompetitive inhibitor reduce an enzyme’s activity?