Because in the dark only the rods are the working part in your eyes and they only detect dark colors or purple to be specific
The answer is the first choice:
Negative feedback reverses a change in a variable that has moved outside of its normal range, whereas positive feedback strengthens it.
Feedback loops do not only apply to blood pressure. There are many examples from body temperature regulation to child birth to your AC unit at home.
<span>b. chemistry, specifically the anions within the chemical formula</span>
Answer:
The primary species something regenerates off of.
For example: Let's say there was an animal called a goblegg.
If the animal who gives it the main components is an chicken, the primary species is a chicken.
Hope this helps!