The two reactants are carbon dioxide and water.
The two products are oxygen and glucose.
Hope this helps!
I honestly think that a or d would be the best options. I would start with D and if that doesn't work try a.
where its free (unbound) concentration is lower
The correct answer is bacteria. Bacteria abundant in soil is the main source of its organic matter. This is because bacteria release energy in their systems which causes the soil to be more fertile and more capable of sustaining plant material. Without bacteria general processes of soil formation will not be possible.
