Crude oil is composed of: a. fatty acids c. metal oxides b. hydrocarbons d. halogens

Which group is noted for the independence of gametophyte and sporophyte generations from each other? a) ferns b) mosses, hornworts, and liverworts c) charophytes d) angiosperms e) gymnosperms

What is the farthest destination to date for a human spaceflight mission?

Select the correct answer from each drop-down menu proteins are