Use the periodic table to find the molar mass of each element. molar mass H = g/mol molar mass S = g/mol molar mass O = g/mol

V1t2 = v2t1 is an expression of who’s law

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

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis