Please choose the correct answer to the question: If a chemical reaction such as photosynthesis begins with 6 atoms of carbon [C], how many atoms of carbon [C] should be in the products?

Answer1: 12 atoms of carbon [C] Answer2: 6 atoms of carbon [C] Answer3: 3 atoms of carbon [C] Answer4: 2 atoms of carbon [C]

Answer format: answer1/answer2/answer3/answer4