Question

About 25 of the 92 natural elements are known to be essential to life. which four of these 25 elements make up approximately 96% of living matter?

a. carb

Answer 1

There are 25 elements out of natural elements which are essential to life however the following four elements make 96% living material

a) carbon

b) hydrogen

c) oxygen

d) nitrogen

It is quite obvious that living matter is made up of organic compounds mainly, and organic compounds mainly have C, H , N and O