Which corrections should be made to describe photosynthesis accurately? Check all that apply. (1) Light energy and chemical energy should be switched.

(1) Chemical energy should be changed to mechanical energy.

(3) Plants that contain chlorophyll should not be included.

(3) Oxygen should be changed to carbon dioxide.

(4) Animals and plants should be switched.

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