C. Gravity
I think its correct! Sorry if its not!
A persons biological because its the only one that makes sense according to the study of genetics. EX: X chromosome are always in females eggs, while the x & y chromosome is in the male.
I think it is c because primary research is original and from the certain time while secondary research is collected from others by research and stuff
<h3>The <em>3rd option</em> is the most perfect for calming down the patient. Giving him/her the blanket is the best thing to do.</h3><h3>But in some cases this is not possible, so the <em>2nd option</em> can be implemented when the blanket is not available.</h3>
