Water and ATP energy
where carbon dioxide is a waste product and is released into the atmosphere.
The phenomenon is called an equinox. More specifically when it is September it is called the autumnal equinox ,and when it is March it is called the vernal equinox. Hope this helped!
i think it is b becuase it gives a lot of infor mation
Answer:
C. A concentration gradient must exist.
d. O2
This is because CO2 (Carbon Dioxide), energy (sunlight), and H2O (water) are all outputs of cellular respiration.