Answer:
color of light
Explanation:
<em>The independent variable is the variable that is supplied and often varied/manipulated by the researcher during the course of experiments. It is varied/manipulated in order to see the effect it will produce on another experimental variable - the dependent variable.</em>
In this case, out of all the variables supplied by Mary, only the color of light supplied was varied - red, white, green, and blue; other variables supplied were kept constant. Hence, <u>the independent variable is the color of light.</u>
Answer:
D
Explanation:
I just took this quiz so you are welcome
Answer:
Artery
Explanation:
Artery carries blood from the heart to other part of the body. While vein return the denourished blood to the heart via the ivc
The mountain lion population will decrease.
