Answer:
Volume
Explanation:
This is a Physics question, and that means we can definitely do some experiment with this.
See Archimedes' law of buoyancy.
An independent variable is a variable which change is not affected by that of another variable. By process of elimination you can take out B and C. An independent variable can also change so that takes out A. That leaves D.
Answer:
Peripheral proteins have a carbohydrate extending into the environment.
Explanation:
I think that's the answer but it may not be, if not I have no idea what it is.
