· Water participates directly in the light reactions of photosynthesis by a. donating electrons to NADPH.
c. accepting electrons from the electron
b. donating electrons to photosystem II. transport chains.
d. accepting electrons from ADP.

micro/nanoscale topography surface exhibits many prominent properties and is extensively employed in biomedical device, microfluidic device and energy device fabrication. additionally, the clinical applications of biomaterials can be largely expanded with of nanostructured surfaces.

one would be wind another would be water density