The diagram shows a summary of photosynthesis.
Which substance is Y?
a
CO2
b
H2O
c
O2
d
glucose
c. O2
To determine which substance is represented by Y in the diagram, we need to have a basic understanding of the process of photosynthesis. Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy into chemical energy stored in glucose (C6H12O6) and release oxygen (O2) as a byproduct.
The diagram shows the inputs and outputs of photosynthesis. The reactants or inputs are carbon dioxide (CO2) and water (H2O), while the products or outputs are oxygen (O2) and glucose.
In the given options, substance Y represents O2, which is oxygen. Therefore, the correct answer is option c: O2.