Answer:
I believe it would be C or B
What do you need to know how to do
It should be scientific law since a hypothesis is like a prediction and a theory could be used to explain something although it might not be true. There’s many theories just to explain one thing. So it should be scientific law
Oxygen is needed for Cellular Respiration. Just as Carbon Dioxide is needed for Photosynthesis. Oxygen is required to create ATP in the process.
