Large cities in the U. S. often formed near the ocean. What benefit does the ocean provide for people in nearby large cities?

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 scientists think that gravity affected the formation of our solar system?

In which situation can a mixture always be called a solution