I would say the first three. But I'm not 100% sure. I'm truly sorry if it's wrong
The answers are I, II and IV
No matter how much water a human
drinks, the kidneys are always regulating various aspects of the blood,
including the pH of the blood, the plasma concentration of iron ions and the
plasma concentration of potassium ions.
Answer:
A. Non-metal
B. Six
C. 2
D.NA2O
E.Oxygen
Explanation:
Oxygen is the element in the second period (second horizontal row) and Group VI A of the periodic table. These properties apply to oxygen
A - its condensation and gas particles have a higher kinetic energy