What is the factors of co-morbidities that make a person more susceptible to acquiring an infection

Leila has dimples because she received a gene copy from her father that coded for dimples. this means that dimples are an example of a trait that is

Me the formula cacl2 represents the compound

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