It would be A.Evaporation and Condensation
I hope this helps
Have a happy holidays:)
Answer:
A) climate change...........
Answer:
Oxygen (O2) concerntration
Temperature
pH
Red blood cells have no mitochondria and generate energy anaerobic. So, the answer would be B. You can easily eliminate A. and C. because they mention that blood cells have a mitochondria, but they don’t.