Which feature forms as a result of a tectonic plate boundary that creates an underwater mountain range in the open ocean? marsh
trench
abyssal plain
mid-ocean ridge

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 material does not melt at any temperature

Which of the following units is not an official si unit? mole liter kilogram ampere