Answer:
I would say D. atmosphere and hydrosphere
Explanation:
Because hydrosphere means water, and the atmosphere is where the water is evaporated to, and then condensed into rain.
It would substantially increase as they are responsible for 1/3 of the earths Oxygen and without them "eating" up the CO2 there would be an increase of it in our Atmosphere and a decrease in Oxygen <span />
Answer:
2, that’s what the 2 means.
Explanation:
the correct answer is Local backyard bird feeders without food because that is what you are keeping the same and not changing
