Label the Digestive system

In the diagram below, the northern hemisphere would be in what season at position a a. fall b. winter c. summer d. spring

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

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