Write word equations for this reaction Hydrogen peroxide is exposed to light and breaks down into water and oxygen gas.

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

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what

Which change to the system wood cause the freely-moving piston to lower?