An 80-year-old hospitalized individual is recovering from surgery but now has gotten an infection. over the course of a few days, the person shows increasing confusion and consistently misinterprets what others are trying to communicate. the most probable diagnosis for this condition would be:

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