Answer:
It would be the plant type
Explanation:
This is because you are measuring the growth of 2 different plants, so they can not be the same. all the other options ARE constants
Immune dysfunction in HIV<span> disease is </span>caused<span> predominantly by damage to a patient with </span>human immunodeficiency virus<span> </span>
Saturation I think not 100% sure sorry
There is no image or choices so what exactly do you want us to answer.
