It's an sight observation you're using your eyes to see it it's one of your 5th sences
Among the given name of the equinoxes, the fall equinox and the spring equinox are the valid names for the equinoxes.
The fall equinox, or the autumn equinox is the September equinox, while the spring equinox, which is also known as the vernal equinox is the March equinox.
There are no such equinoxes as partial or total equinox.
Hence, the correct answer is option A and D.
Im not for sure but i think its D if that helps any
Explanation:
Abiotic processes in the carbon cycles : Management of the carbon cycle is the focus of global warming. Respiration, deforestation, burning of fossil fuels, and forest fires are processes that put CO2 up in the atmosphere. Organisms eat plants, which is comprised of carbohydrates come from CO2 in the atmosphere.