If someone gets hot, their body sweats to cool it down. If someone gets cold, their body shivers to warm it up. These two actions are an example of what process?
homeostasis
denature
equilibrium
catalyst

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