As you move from left to right across the periodic table, the atomic numbers increase decrease stay the same are random

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

How far is the region from the equator or control climate

What does the mass of 0.7891 mol of ferric oxide (fe2o3)