Living organisms can be classified as prokaryotes or eukaryotes. which two structures are common to both prokaryotic and eukaryotic cells? a. cell wall and nucleus b. cell wall and chloroplast c. plama membrane and nucleus d. plasma membrane and cytoplasm

individual oxygen atoms are formed during photosynthesis.-c.

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.