ADH acts on the "principal cells" to regulate facultative water reabsorption. ADH regulates facultative water reabsorption, through increasing the water permeability of the principal cells and reducing the urine produced .
Answer:
D. Oxygen
Explanation:
Oxygen is the most abundant element in the bodies of living things. For example, oxygen is about 65% of the human body.
Oxygen in the body is mostly in the form of water, since the bodies of living things need water to create energy needed every day.
It occurs when particles spread
Answer:
c
Explanation:
An experiment in which an observer tests a hypothesis by looking for changes brought on by alterations to a variable. In a controlled experiment, an independent variable is the only factor that is allowed to be adjusted, with the dependent variable as the factor that the independent variable will affect.
in Basic terms The control group provides a baseline that lets us see if the treatment has an effect.
I think it's a community. :)