Land breeze.
Because a land breeze is usually early in the morning and late an night.
Answer:
Cellular respiration increases as you increase you exercise intensity. Cellular respiration includes the reactions in the cells of your body when they convert the food you eat into a molecule of energy in a form your cells can use. This energy is called adenosine triphosphate, or ATP.
I can already say it's not option 1 nor 4 as these go against everything science is. I'd say it's option 3 since it takes a bit and though yes they can be rejected, many scientists build off another individual studying the same material for a lead on where they should look. I hope this works for you and I'm not wrong. It's just that option 3 is most understandable in my mind with common sense of previous schooling.