What does the scientific fact of the similarity of the elementary chemical composition of animate

What does the scientific fact of the similarity of the elementary chemical composition of animate and inanimate nature indicate?

This indicates that living organisms are composed of the same chemicals as inanimate nature. From this we can conclude that living organisms have occurred as a result of random combinations of chemicals. On the one hand, this seems impossible, but the presence of various chemicals and several hundred million years suggests otherwise. Some scientists believe that where there is oxygen, carbon and hydrogen, then the place is ultimately doomed to life, since these substances formed the first protozoa.