Question

1. what must happen for mass to be conserved in a chemical reaction involving photosynthesis? a. a subscript must be added to one or more compounds in the reaction. b. the number of atoms can vary, but the types of atoms must be the same on the reactant and product side of the reaction. c. the number of atoms must be equal, but the types of atoms may be different before and after a reaction. d. the number and types of atoms must be equal both before and after a reaction since mass cannot be created or destroyed.

Explanation:

Answer:

D. The number and types of atoms must be equal both before and after a reaction since mass cannot be created or destroyed.