contestada

this element was poisonous to the first forms of life on earth until they evolved to tale advantage of it by using cellular respiration. What is it?

Respuesta :

TheForceIsBack

Answer:

Oxygen

Explanation

Cellular respiration means taking Oxygen and using it to "breathe" and also be used in many other processes.

acezane69
Oxygen, it was once harmful and used to cause harm to the DNA In primitive organisms. I’m sorry if it’s wrong but that is what I think it is