The phase that is most likely to occur at high temperatures and high pressures is: gas solid liquid all of the above

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

What happens when an acid dissolves?

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.