Answer:
a. iris
Explanation:
iris is actually the structure of the eye that regulates the amount of light passing to the visual receptors of the eye
D should be correct....
hopefully this helps you.
True- it's not good if the scientist changes the outcome and reads data with a bias because then it's not 100% honest.
Interphase is the phase in which the cell grows and develops before mitosis. This is the largest part of the cell's life span.
during an experiment you make observations to test the hypothesis and prediction
