About how many years did it take to update the model of an atom from the “simple model” to the “plum pudding model”?

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

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 do dying stars contribute to the formation of planets