I would say C. eliminating government funding of research. without finding, scientists can't experiment, therefore all their research remains purely theoretical and isn't considered a discovery.
Hope this helps!
The clinical manifestation which supports this conclusion is that an injury to the brachial plexus which happens during birth. Erb is termed as a paralysis of the arm which is caused by an injury on upper arm's main nerves to be specifically the C5-C6 nerves.
It arrives most commonly on shoulder dystocia when there is a difficult birth. This paralysis can resolve on its own depending on nature of the damage.
Protecting from antigens using white blood cells. I’m not good at this stuff so maybe you should follow another comment
