B. Ensures that a firearm will not fire accidentally
I believe the answer is c. Herpes and HIV are STD's so it's like stuck with you. :) Hope this helped!
D. Reaction time
Objects falling are moving quickly, and being able to react immediately is the most useful skill in this situation. Being agile or having good balance isn't helpful if the object has reached the ground before you moved.
Eczema is the most common inflammatory skin disease of childhood. Moderate to severe eczema can have a effect on the quality of life as well as the productivity of a person. Eczema is usually diagnosed on clinical grounds that would on a patients history, family history and as well as the skin rash appearance.
