It could be c. But the answer is B
A carbon atom has 4 valence electrons
Increase
Decrease
Stays the same
Stays the same
Actually, the mitochondria does not MAKE the energy, it just makes it usable to the cell! It is through cellular respiration that this can take place.
Thank you for the opportunity to respond to you, and I hope this helped. I wasn't exactly sure what you were asking... if you would like more help, I would be more than happy to assist you!!!
Graphs that are clearly labeled are much less likely to be misread or misinterpreted.