Sammy is taking notes to study for a test. he wrote out the steps that involve hydrogen during photosynthesis. the steps are shown, but they are not in the correct order. 1 - water is broken down into oxygen and hydrogen. 2 - glucose is broken down to be used by plants. 3 - hydrogen combines with carbon dioxide to form glucose. 4 - hydrogen enters the plant as part of water. which lists the correct order of the steps? answers- a: 4, 2, 1, 3 b: 4, 1, 3, 2 c: 4, 3, 1, 2 d: 4, 2, 3, 1