What are carbon dioxide (CO2) and water (H2O) converted into as a result of photosynthesis?

The answer is a) carbon-12

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).

The higher the temperature, the increased rate constant for a reaction.(positive linear association)