Which experiment should be conducted as a field investigation?
a. observing changes in the nesting behavior of wood ducks
b. measuring the fermentation rate of yeast in salt water
c. determining the germination rate of a new soybean hybrid
d. investigating gene expression in fruit fly offspring

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.

the correct answer to this question is #5

b is the answer and if you need further with anything message me