Answer:
Flu
Explanation:
That's called a flu shot.
The answer is urine because it is a liquid waste that filters blood.
I believe the answer is B
DNA<span> is a long polymer with deoxyribose and phosphate backbone. Having four different nitrogenous bases: adenine, guanine, cytosine and thymine. </span>RNA<span> is a polymer with a ribose and phosphate backbone. Four different nitrogenous bases: adenine, guanine, cytosine, and uracil.</span><span />
