How many hours of sleep do you really need?

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

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

Based on her survey, which advertising mediums will work best to publicize leslie's in-store specials?