Answer:

Explanation:


Using the algebric identity
So,


B. When the environment is damaged, our health improves
The correct answer is A.<span>filtering wastes from the blood.
The kidney has many important functions in the body. Most of them have to do with bodily fluids and waste. It filters about 123 to 150 quarts of blood per day and produces 1 to 2 quarts of urine per day.
B. is incorrect because does not defend or fight other organisms.
C. is incorrect because the kidney does not digest anything whatsoever.
D. is incorrect because the kidney does not transport any nutrients anywhere.</span>
It would be sitting knee bends alternate between right and left slow
Answer:
Both A and B, because if you have bad posture you will have weaker bones which can make you get hurt easier plus weaker bones will not be safe especially if you got in a car wreck.