The answer is A it's the action of purifying water
Answer:
A) Blood pressure measures pressure on the arteries and can be an indicator of an unhealthy cardiovascular system.
Explanation:
Blood pressure is the amount of pressure that the blood puts on the arteries as it flows through them.
It would be the nuclear membrane
1.Aa
2.aa
3. Aa
4.aa
50% Aa and 50%aa
