Diseases due to abnormalities are termed primary immunodeficiencies.

Diseases due to genetic abnormalities are termed as primary immunodeficiencies.

Explanation:

The primary immunodeficiency is a type of immunodeficiency in which a part of the immune system is absent or doesn't perform normally. The primary immunodeficiency is not caused by other diseases or drugs. The primary immunodeficiencies are caused due to genetic abnormalities or disorders. The symptoms of this disorder depends on the type of genetic defect.      

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.

the answer is c most of the fortnite players usually buy v bucks to get the battle pass and other cosmetics but some players who are referred to as "no skins" don't   buy skins and are usually noobs.