Which distinguish structures of a eukaryitic cell are part of the internal membrane system

Which symbols below represent the ions found in the glass of water ? a. oh- and h+ b. co2 and o2 c. o2 and h2 d. nh3- and h+

If animal agriculture was eliminated, how much grain would become available for human consumption?

Which is not a characteristic of bacteria? a. they are unicellular. b. they are prokaryotic. c. they are the smallest form of life on earth. d. they are multicellular.