What is the percent of hydrogen peroxide in the solution when 5.02g of H2O2 solution reacts to produce 0.071 g of O2? 2H2O2(l) → 2H2O(l) + O2(g)

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

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

Which proportionality applies to avogadro’s law?