The hydrosphere i believe, hope this helps!
Answer: One sign of physical change is melting, freezing.
Well, the <span>cryosphere contains 79% of Earth's frozen freshwater. Like glaciers, iceburgs, so that would be solid water. However the hydrosphere contains 100% of the water on Earth, salt and fresh.</span>
6CO2 + 6H20 -> C6H12O6 + 602
Carbon Dioxide + Water = Glucose + Water
Carbon Dioxide is an input of Photosynthesis which is a process mainly plants use to make their own 'food' (organic compounds).
Carbon is removed from the atmosphere and put into food through PHOTOSYNTHESIS :)
