D=misreading the instrument
Cells resort to lactic fermentation if there is no available oxygen, and so they cannot carry out the ETC (or the Krebs Cycle). This can happen when running, if not enough oxygen is being taken in, where muscle cells will use lactic acid fermentation.
Answer:
Option B is correct
Explanation:
I am explain you in image
Hi! the answer is the summer solstice.
