Scientists believe that about 25 of the known elements are essential to life. Just four of these – carbon (C), oxygen (O), hydrogen (H) and nitrogen (N) – make up about 96% of the human body. ... The human body functions as a result of a large number of chemical reactions involving compounds of all of these elements.
Answers & Comments
Answer:
Scientists believe that about 25 of the known elements are essential to life. Just four of these – carbon (C), oxygen (O), hydrogen (H) and nitrogen (N) – make up about 96% of the human body. ... The human body functions as a result of a large number of chemical reactions involving compounds of all of these elements.
Explanation:
#CARRY ON LEARNING:)