Having more then one independent variable will give unreliable results. Hope this helps
Answer:
Explanation:
relating to the branch of biology that deals with the normal functions of living organisms and their parts.
"physiological research on the causes of violent behaviour"
relating to the way in which a living organism or bodily part functions.
"slow down your body's physiological response to anger by breathing deeply"
Answer would be
E
Hope this help happy Saturday
