What four elements making up about 96% of body

 

O,ca,H,Na

O,C,H,N

O,C,He,Na

O,H,K,N

O,Ca,H,Ni

 

i AM LITTLE CONFUSED ABOUT HERE, i THINK MY ANSWERS IS oXYGEN. CARBON, hYDROGEN, NITROGEN BUT I M NOT SURE PLS HELP ME. IS THIS ANSWER RIGHT OR NO.

Depends on if it's by mass or number of atoms. However, the answer in terms of number of atoms doesn't appear to be listed

 

Google is your friend for questions like this

http://web2.iadfw.net/uthman/elements_of_body.html

when you consider we`re over 75% water Hydrogen and Oxygen are a given

 

Nickel is quite Toxic to us and Helium is inert and won`t combine, HyperKalemia is frequently fatal, and we`re Not Sodium based lifeforms.

 

burnt protien often smells like Ammonia, and what`s that made of?

 

I think the evidence here Supports your "Guess"