Which of the following statements about water is NOT true? A. It helps to maintain a normal body temperature.
B. It is a good source of energy.
C. It carries substances throughout the body in the bloodstream.
D. It is needed for all chemical reactions to occur.

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