A longer growing season is a result of . a. an earlier start to spring b. earlier animal migration c. species having a narrow temperature range tolerance d. invasive species Please select the best answer from the choices provided A B C D

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