What does a plant use in photosynthesis and what are the products?

: )

During photosynthesis: Light energy is absorbed by chlorophyll, a green substance found in chloroplasts in some plant cells and algae. Absorbed light energy is used to convert carbon dioxide (from the air) and water (from the soil) into a sugar called glucose. Oxygen is released as a by-product.

A & C.

Explanation:

cannot be an element, element = C (carbon), not graphite.

cannot be a mixture: graphite is only made out of carbon atoms.

It is a pure substance and a compound.