If carbon dioxide is needed for photosynthesis and water is plentiful, which of the following is likely to occur? a. the stomata will close until enough water is lost. b. additional water will be gained and the plant cells will become rigid. c. water pressure is going to decrease in the guard cells. d. the stomata will open until too much water is lost.

2h2o2--> 2h2o + o2

this reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

add 2 molecules of hydrogen peroxide and 2 molecules of water. since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

this may not be entirely correct but let me know.

answer carbon and three oxygen atoms;