Pls help me answer this ASAP: An aluminum cylinder has a mass of 420 grams and a density of 2.70 g/ml. Calculate the volume of aluminum cylinder.

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

Why do carbohydrate molecules function so well as fuel for the body?

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that