A They resulted from a trait of the mustard plant being selected and bred to other plants
b
They resulted from the exposure to extreme temperatures and ultraviolet sun rays.
c
They were created over one generation with only two plants
d
They stopped forming additional varieties at the end of a growth cycle.

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

In the water cycle , when does water undergo a chemical change

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