What evidence have you discovered to explain the uneven distribution of soils?

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.

Photosynthesis converts light energy to chemical energy. which molecules are the end product of this transformation of energy in this reaction?

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?