xavier drew a diagram to compare the roles of oxygen and hydrogen in photosynthesis.

which label belongs in the area marked x?

enters plant as a part of water
combines with carbon dioxide
is released into air through stomata
is stored in leaves for later use

one is through turgidity. this occurs before ground tissue ( collenchyma

and sclerenchyma cells) become well

developed to give structural support to the plant as it grows bigger. the xylem

tissue (composed of rigid tissue) of the young

plant render this support and also maintaining osmotic turgidity of the surrounding

plant cells.

they dont have any evidence