0.10g ofSample of an alcohol known to contain only C, H,and O was allowed to completely rest with oxygen to produce CO2and H2O these Products where collected seperatly and weighed 0:191g of CO2 and 0 172g of H20 was found what is the Empirical
Formula of the alcohol?

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

Identify two types of chemical bonding in the source of dietary potassium

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange