Which of the following correctly completes the following equation:

nitrogenous base + sugar + phosphate group = ?

Look at the picture below . what does this picture represent ?

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

Eutrophication caused by human nutrient pollution.