What is the purpose of oxygen in cellular respiration?

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.

Injuries in the environment are a result of