Cameron is collecting data to determine the time of completion for each stage of germination in seeds. He is using bean seeds fo
r his investigation and recording his results. He repeats his data collection many times to obtain reliable results. Which aspect of his experimental process is most important for obtaining reliable results?
The nerves in the integumentary system (skin) sense the irritation and send the signal to the brain. The brain then sends impulses through the nervous system to scratch the itch.
