The partial pressure of oxygen at a particular point in the bloodstream is 100 mm hg. under what circumstance will there be a net diffusion of oxygen from the water into the bloodstream at this location?

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables