D prevents repeating. experiments have to be repeated to be reliable.
Answer:
<em>B</em><em>.</em>
Explanation:
<em>h</em><em>o</em><em>p</em><em>e</em><em> </em><em>i</em><em>t</em><em> </em><em>h</em><em>e</em><em>l</em><em>p</em>
<em>p</em><em>l</em><em>s</em><em>s</em><em> </em><em>b</em><em>r</em><em>a</em><em>i</em><em>n</em><em>l</em><em>y</em><em>s</em><em> </em><em>m</em><em>e</em>
Answer: happen or take place
Answer:
A serum containing anti-A antibodies is mixed with some of the blood. ... For instance, if an individual's blood sample is agglutinated by the anti-A antibody, but not the anti-B antibody, it means that the A antigen is present but not the B antigen. Therefore, the blood type is A.
Explanation:
I am Guessing Sperm and egg